Home / 42,182.11-63,273.30-15,879.79

Finding the Fourth Proportional to 42,182.11, 63,273.30 and 15,879.79

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Solution

The fourth proportional to 42,182.11, 63,273.30 and 15,879.79 is: 23,819.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,182.11 : 63,273.30 = 15,879.79 : x
  2. Step 2: Convert to fraction form
    42,182.11/63,273.30 = 15,879.79/x
  3. Step 3: Cross multiply
    42,182.11x = 63,273.30 × 15,879.79
  4. Step 4: Simplify right side
    42,182.11x = 1,004,766,716.61
  5. Step 5: Solve for x
    x = 1,004,766,716.61/42,182.11
  6. Step 6: Final answer
    x = 23,819.74

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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.