What is 34 is what percent of 40?

To find out what percent 34 is of 40, you can set up a proportion:

34 is what percent of 40?

34/x = 100/40

Cross multiply to solve for x:

4034 = 100x

1360 = 100x

Divide by 100 to isolate x:

x = 13.6

Therefore, 34 is 85% of 40.