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Finding the Fourth Proportional to 61,363.73, 92,046.76 and 19,242.90

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Solution

The fourth proportional to 61,363.73, 92,046.76 and 19,242.90 is: 28,864.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,363.73 : 92,046.76 = 19,242.90 : x
  2. Step 2: Convert to fraction form
    61,363.73/92,046.76 = 19,242.90/x
  3. Step 3: Cross multiply
    61,363.73x = 92,046.76 × 19,242.90
  4. Step 4: Simplify right side
    61,363.73x = 1,771,246,549.90
  5. Step 5: Solve for x
    x = 1,771,246,549.90/61,363.73
  6. Step 6: Final answer
    x = 28,864.71

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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.