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Finding the Fourth Proportional to 61,646.96, 92,469.24 and 14,899.28

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Solution

The fourth proportional to 61,646.96, 92,469.24 and 14,899.28 is: 22,348.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,646.96 : 92,469.24 = 14,899.28 : x
  2. Step 2: Convert to fraction form
    61,646.96/92,469.24 = 14,899.28/x
  3. Step 3: Cross multiply
    61,646.96x = 92,469.24 × 14,899.28
  4. Step 4: Simplify right side
    61,646.96x = 1,377,725,098.15
  5. Step 5: Solve for x
    x = 1,377,725,098.15/61,646.96
  6. Step 6: Final answer
    x = 22,348.63

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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.