Home / 71,187.24-106,773.56-18,589.88

Finding the Fourth Proportional to 71,187.24, 106,773.56 and 18,589.88

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Solution

The fourth proportional to 71,187.24, 106,773.56 and 18,589.88 is: 27,882.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,187.24 : 106,773.56 = 18,589.88 : x
  2. Step 2: Convert to fraction form
    71,187.24/106,773.56 = 18,589.88/x
  3. Step 3: Cross multiply
    71,187.24x = 106,773.56 × 18,589.88
  4. Step 4: Simplify right side
    71,187.24x = 1,984,907,667.57
  5. Step 5: Solve for x
    x = 1,984,907,667.57/71,187.24
  6. Step 6: Final answer
    x = 27,882.91

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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.