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Finding the Fourth Proportional to 58,589.73, 87,899.18 and 33,645.78

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Solution

The fourth proportional to 58,589.73, 87,899.18 and 33,645.78 is: 50,477.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,589.73 : 87,899.18 = 33,645.78 : x
  2. Step 2: Convert to fraction form
    58,589.73/87,899.18 = 33,645.78/x
  3. Step 3: Cross multiply
    58,589.73x = 87,899.18 × 33,645.78
  4. Step 4: Simplify right side
    58,589.73x = 2,957,436,304.23
  5. Step 5: Solve for x
    x = 2,957,436,304.23/58,589.73
  6. Step 6: Final answer
    x = 50,477.04

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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.