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Finding the Fourth Proportional to 59,357.97, 89,008.20 and 21,935.66

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Solution

The fourth proportional to 59,357.97, 89,008.20 and 21,935.66 is: 32,892.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,357.97 : 89,008.20 = 21,935.66 : x
  2. Step 2: Convert to fraction form
    59,357.97/89,008.20 = 21,935.66/x
  3. Step 3: Cross multiply
    59,357.97x = 89,008.20 × 21,935.66
  4. Step 4: Simplify right side
    59,357.97x = 1,952,453,167.37
  5. Step 5: Solve for x
    x = 1,952,453,167.37/59,357.97
  6. Step 6: Final answer
    x = 32,892.86

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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.