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Finding the Fourth Proportional to 61,658.73, 92,488.14 and 14,911.60

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Solution

The fourth proportional to 61,658.73, 92,488.14 and 14,911.60 is: 22,367.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,658.73 : 92,488.14 = 14,911.60 : x
  2. Step 2: Convert to fraction form
    61,658.73/92,488.14 = 14,911.60/x
  3. Step 3: Cross multiply
    61,658.73x = 92,488.14 × 14,911.60
  4. Step 4: Simplify right side
    61,658.73x = 1,379,146,073.87
  5. Step 5: Solve for x
    x = 1,379,146,073.87/61,658.73
  6. Step 6: Final answer
    x = 22,367.41

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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.