Finding the Fourth Proportional to 33.12, 45.63 and 29.03
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Solution
The fourth proportional to 33.12, 45.63 and 29.03 is: 39.99
Step by Step Solution
- Step 1: Write the proportion equation
33.12 : 45.63 = 29.03 : x - Step 2: Convert to fraction form
33.12/45.63 = 29.03/x - Step 3: Cross multiply
33.12x = 45.63 × 29.03 - Step 4: Simplify right side
33.12x = 1,324.41 - Step 5: Solve for x
x = 1,324.41/33.12 - Step 6: Final answer
x = 39.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.