Finding the Fourth Proportional to 39.55, 54.53 and 32.63
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Solution
The fourth proportional to 39.55, 54.53 and 32.63 is: 44.99
Step by Step Solution
- Step 1: Write the proportion equation
39.55 : 54.53 = 32.63 : x - Step 2: Convert to fraction form
39.55/54.53 = 32.63/x - Step 3: Cross multiply
39.55x = 54.53 × 32.63 - Step 4: Simplify right side
39.55x = 1,779.31 - Step 5: Solve for x
x = 1,779.31/39.55 - Step 6: Final answer
x = 44.99
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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.