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Finding the Fourth Proportional to 61,793.80, 92,689.89 and 15,046.72

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Solution

The fourth proportional to 61,793.80, 92,689.89 and 15,046.72 is: 22,569.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,793.80 : 92,689.89 = 15,046.72 : x
  2. Step 2: Convert to fraction form
    61,793.80/92,689.89 = 15,046.72/x
  3. Step 3: Cross multiply
    61,793.80x = 92,689.89 × 15,046.72
  4. Step 4: Simplify right side
    61,793.80x = 1,394,678,821.66
  5. Step 5: Solve for x
    x = 1,394,678,821.66/61,793.80
  6. Step 6: Final answer
    x = 22,569.88

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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.