Home / 67,563.20-101,359.17-20,177.79

Finding the Fourth Proportional to 67,563.20, 101,359.17 and 20,177.79

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Solution

The fourth proportional to 67,563.20, 101,359.17 and 20,177.79 is: 30,270.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,563.20 : 101,359.17 = 20,177.79 : x
  2. Step 2: Convert to fraction form
    67,563.20/101,359.17 = 20,177.79/x
  3. Step 3: Cross multiply
    67,563.20x = 101,359.17 × 20,177.79
  4. Step 4: Simplify right side
    67,563.20x = 2,045,204,046.83
  5. Step 5: Solve for x
    x = 2,045,204,046.83/67,563.20
  6. Step 6: Final answer
    x = 30,270.98

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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.