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Finding the Fourth Proportional to 41,169.52, 61,755.54 and 28,506.88

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Solution

The fourth proportional to 41,169.52, 61,755.54 and 28,506.88 is: 42,761.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,169.52 : 61,755.54 = 28,506.88 : x
  2. Step 2: Convert to fraction form
    41,169.52/61,755.54 = 28,506.88/x
  3. Step 3: Cross multiply
    41,169.52x = 61,755.54 × 28,506.88
  4. Step 4: Simplify right side
    41,169.52x = 1,760,457,768.12
  5. Step 5: Solve for x
    x = 1,760,457,768.12/41,169.52
  6. Step 6: Final answer
    x = 42,761.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.