Home / 47,447.39-71,115.51-19,349.90

Finding the Fourth Proportional to 47,447.39, 71,115.51 and 19,349.90

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Solution

The fourth proportional to 47,447.39, 71,115.51 and 19,349.90 is: 29,002.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,447.39 : 71,115.51 = 19,349.90 : x
  2. Step 2: Convert to fraction form
    47,447.39/71,115.51 = 19,349.90/x
  3. Step 3: Cross multiply
    47,447.39x = 71,115.51 × 19,349.90
  4. Step 4: Simplify right side
    47,447.39x = 1,376,078,006.95
  5. Step 5: Solve for x
    x = 1,376,078,006.95/47,447.39
  6. Step 6: Final answer
    x = 29,002.19

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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.