Home / 42,493.64-63,693.76-17,520.15

Finding the Fourth Proportional to 42,493.64, 63,693.76 and 17,520.15

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Solution

The fourth proportional to 42,493.64, 63,693.76 and 17,520.15 is: 26,260.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,493.64 : 63,693.76 = 17,520.15 : x
  2. Step 2: Convert to fraction form
    42,493.64/63,693.76 = 17,520.15/x
  3. Step 3: Cross multiply
    42,493.64x = 63,693.76 × 17,520.15
  4. Step 4: Simplify right side
    42,493.64x = 1,115,924,024.97
  5. Step 5: Solve for x
    x = 1,115,924,024.97/42,493.64
  6. Step 6: Final answer
    x = 26,260.97

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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.