Home / 47,402.82-71,115.92-14,122.75

Finding the Fourth Proportional to 47,402.82, 71,115.92 and 14,122.75

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Solution

The fourth proportional to 47,402.82, 71,115.92 and 14,122.75 is: 21,187.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,402.82 : 71,115.92 = 14,122.75 : x
  2. Step 2: Convert to fraction form
    47,402.82/71,115.92 = 14,122.75/x
  3. Step 3: Cross multiply
    47,402.82x = 71,115.92 × 14,122.75
  4. Step 4: Simplify right side
    47,402.82x = 1,004,352,359.18
  5. Step 5: Solve for x
    x = 1,004,352,359.18/47,402.82
  6. Step 6: Final answer
    x = 21,187.61

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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.