Home / 42,119.28-63,147.15-25,475.76

Finding the Fourth Proportional to 42,119.28, 63,147.15 and 25,475.76

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Solution

The fourth proportional to 42,119.28, 63,147.15 and 25,475.76 is: 38,194.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,119.28 : 63,147.15 = 25,475.76 : x
  2. Step 2: Convert to fraction form
    42,119.28/63,147.15 = 25,475.76/x
  3. Step 3: Cross multiply
    42,119.28x = 63,147.15 × 25,475.76
  4. Step 4: Simplify right side
    42,119.28x = 1,608,721,638.08
  5. Step 5: Solve for x
    x = 1,608,721,638.08/42,119.28
  6. Step 6: Final answer
    x = 38,194.42

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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.