To solve this problem, you can use the percent proportion or the percent equation. We are going to use the percent proportion, or a/b = p/100, where p is the percentage.
When we put in our known numbers into the equation, we get:
37/b = 50/100
Next, we have to use cross products, or the multiplication of the numerator of one fraction and the denominator of the other fraction set equal to the other.
100(37) = 50b
When we multiply out the left side of the equation, we get:
3700 = 50b
Then, we divide both sides by 50, because we want to get the variable b alone on the right side of the equation.
74 = b
Therefore, 37 is 50% of 74.