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Finding the Fourth Proportional to 59,233.65, 88,866.06 and 21,286.76

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Solution

The fourth proportional to 59,233.65, 88,866.06 and 21,286.76 is: 31,935.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,233.65 : 88,866.06 = 21,286.76 : x
  2. Step 2: Convert to fraction form
    59,233.65/88,866.06 = 21,286.76/x
  3. Step 3: Cross multiply
    59,233.65x = 88,866.06 × 21,286.76
  4. Step 4: Simplify right side
    59,233.65x = 1,891,670,086.95
  5. Step 5: Solve for x
    x = 1,891,670,086.95/59,233.65
  6. Step 6: Final answer
    x = 31,935.73

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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.