Home / 42,580.62-63,867.96-15,921.54

Finding the Fourth Proportional to 42,580.62, 63,867.96 and 15,921.54

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Solution

The fourth proportional to 42,580.62, 63,867.96 and 15,921.54 is: 23,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,580.62 : 63,867.96 = 15,921.54 : x
  2. Step 2: Convert to fraction form
    42,580.62/63,867.96 = 15,921.54/x
  3. Step 3: Cross multiply
    42,580.62x = 63,867.96 × 15,921.54
  4. Step 4: Simplify right side
    42,580.62x = 1,016,876,279.86
  5. Step 5: Solve for x
    x = 1,016,876,279.86/42,580.62
  6. Step 6: Final answer
    x = 23,881.20

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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.