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Finding the Fourth Proportional to 61,591.91, 92,387.05 and 14,844.38

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Solution

The fourth proportional to 61,591.91, 92,387.05 and 14,844.38 is: 22,266.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,591.91 : 92,387.05 = 14,844.38 : x
  2. Step 2: Convert to fraction form
    61,591.91/92,387.05 = 14,844.38/x
  3. Step 3: Cross multiply
    61,591.91x = 92,387.05 × 14,844.38
  4. Step 4: Simplify right side
    61,591.91x = 1,371,427,978.23
  5. Step 5: Solve for x
    x = 1,371,427,978.23/61,591.91
  6. Step 6: Final answer
    x = 22,266.37

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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.