Home / 54,251.78-74,865.26-31,591.42

Finding the Fourth Proportional to 54,251.78, 74,865.26 and 31,591.42

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Solution

The fourth proportional to 54,251.78, 74,865.26 and 31,591.42 is: 43,594.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,251.78 : 74,865.26 = 31,591.42 : x
  2. Step 2: Convert to fraction form
    54,251.78/74,865.26 = 31,591.42/x
  3. Step 3: Cross multiply
    54,251.78x = 74,865.26 × 31,591.42
  4. Step 4: Simplify right side
    54,251.78x = 2,365,099,763.88
  5. Step 5: Solve for x
    x = 2,365,099,763.88/54,251.78
  6. Step 6: Final answer
    x = 43,594.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.