Home / 42,549.56-63,819.46-11,387.24

Finding the Fourth Proportional to 42,549.56, 63,819.46 and 11,387.24

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Solution

The fourth proportional to 42,549.56, 63,819.46 and 11,387.24 is: 17,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,549.56 : 63,819.46 = 11,387.24 : x
  2. Step 2: Convert to fraction form
    42,549.56/63,819.46 = 11,387.24/x
  3. Step 3: Cross multiply
    42,549.56x = 63,819.46 × 11,387.24
  4. Step 4: Simplify right side
    42,549.56x = 726,727,507.69
  5. Step 5: Solve for x
    x = 726,727,507.69/42,549.56
  6. Step 6: Final answer
    x = 17,079.55

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1.5x scale

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.