Question

Solve the proportion for “m”. 4/12=m/39

Answer 1

Multiply both sides by 39 to get 13=M

Answer 2

13

Explanation:

4/12 = m/39

Simplify the fraction on the left

Divide the top and bottom by 4

1/3 = m/39

Using cross product

3m = 1*39

Divide each side by 3

3m/3 = 39/3

m = 13