Home / 42,221.28-63,311.46-17,251.41

Finding the Fourth Proportional to 42,221.28, 63,311.46 and 17,251.41

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Solution

The fourth proportional to 42,221.28, 63,311.46 and 17,251.41 is: 25,868.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,221.28 : 63,311.46 = 17,251.41 : x
  2. Step 2: Convert to fraction form
    42,221.28/63,311.46 = 17,251.41/x
  3. Step 3: Cross multiply
    42,221.28x = 63,311.46 × 17,251.41
  4. Step 4: Simplify right side
    42,221.28x = 1,092,211,954.16
  5. Step 5: Solve for x
    x = 1,092,211,954.16/42,221.28
  6. Step 6: Final answer
    x = 25,868.76

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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.