Question

Are these ratios 2/4 and 20/36 proportional and how do i show the work

Answer 1

Proportional ratios are the same. 2:4=1:2 and 20:36=5:9 are not the same.

In general

a:b = c:d

when ad = bc

Here 2(36)=72 is not equal to 4(20)=80, so the ratios are not the same.

Explanation:

Answer 2

Proportional ratios are the same. 2:4=1:2 and 20:36=5:9 are not the same.

In general

a:b = c:d

when ad = bc

Here 2(36)=72 is not equal to 4(20)=80, so the ratios are not the same.