Home / 42,188.28-63,397.38-22,480.92

Finding the Fourth Proportional to 42,188.28, 63,397.38 and 22,480.92

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Solution

The fourth proportional to 42,188.28, 63,397.38 and 22,480.92 is: 33,782.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,188.28 : 63,397.38 = 22,480.92 : x
  2. Step 2: Convert to fraction form
    42,188.28/63,397.38 = 22,480.92/x
  3. Step 3: Cross multiply
    42,188.28x = 63,397.38 × 22,480.92
  4. Step 4: Simplify right side
    42,188.28x = 1,425,231,427.99
  5. Step 5: Solve for x
    x = 1,425,231,427.99/42,188.28
  6. Step 6: Final answer
    x = 33,782.64

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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.