Home / 42,357.78-63,451.95-25,481.49

Finding the Fourth Proportional to 42,357.78, 63,451.95 and 25,481.49

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Solution

The fourth proportional to 42,357.78, 63,451.95 and 25,481.49 is: 38,171.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,357.78 : 63,451.95 = 25,481.49 : x
  2. Step 2: Convert to fraction form
    42,357.78/63,451.95 = 25,481.49/x
  3. Step 3: Cross multiply
    42,357.78x = 63,451.95 × 25,481.49
  4. Step 4: Simplify right side
    42,357.78x = 1,616,850,229.41
  5. Step 5: Solve for x
    x = 1,616,850,229.41/42,357.78
  6. Step 6: Final answer
    x = 38,171.27

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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.