Finding the Fourth Proportional to 45.91, 63.36 and 29.53
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Solution
The fourth proportional to 45.91, 63.36 and 29.53 is: 40.75
Step by Step Solution
- Step 1: Write the proportion equation
45.91 : 63.36 = 29.53 : x - Step 2: Convert to fraction form
45.91/63.36 = 29.53/x - Step 3: Cross multiply
45.91x = 63.36 × 29.53 - Step 4: Simplify right side
45.91x = 1,871.02 - Step 5: Solve for x
x = 1,871.02/45.91 - Step 6: Final answer
x = 40.75
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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.