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Finding the Fourth Proportional to 61,663.73, 92,502.14 and 19,549.80

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Solution

The fourth proportional to 61,663.73, 92,502.14 and 19,549.80 is: 29,326.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,663.73 : 92,502.14 = 19,549.80 : x
  2. Step 2: Convert to fraction form
    61,663.73/92,502.14 = 19,549.80/x
  3. Step 3: Cross multiply
    61,663.73x = 92,502.14 × 19,549.80
  4. Step 4: Simplify right side
    61,663.73x = 1,808,398,238.82
  5. Step 5: Solve for x
    x = 1,808,398,238.82/61,663.73
  6. Step 6: Final answer
    x = 29,326.78

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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.