Home / 42,158.55-63,248.76-22,420.88

Finding the Fourth Proportional to 42,158.55, 63,248.76 and 22,420.88

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Solution

The fourth proportional to 42,158.55, 63,248.76 and 22,420.88 is: 33,637.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,158.55 : 63,248.76 = 22,420.88 : x
  2. Step 2: Convert to fraction form
    42,158.55/63,248.76 = 22,420.88/x
  3. Step 3: Cross multiply
    42,158.55x = 63,248.76 × 22,420.88
  4. Step 4: Simplify right side
    42,158.55x = 1,418,092,541.87
  5. Step 5: Solve for x
    x = 1,418,092,541.87/42,158.55
  6. Step 6: Final answer
    x = 33,637.13

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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.