Home / 47,910.27-71,874.05-19,815.06

Finding the Fourth Proportional to 47,910.27, 71,874.05 and 19,815.06

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Solution

The fourth proportional to 47,910.27, 71,874.05 and 19,815.06 is: 29,726.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,910.27 : 71,874.05 = 19,815.06 : x
  2. Step 2: Convert to fraction form
    47,910.27/71,874.05 = 19,815.06/x
  3. Step 3: Cross multiply
    47,910.27x = 71,874.05 × 19,815.06
  4. Step 4: Simplify right side
    47,910.27x = 1,424,188,613.19
  5. Step 5: Solve for x
    x = 1,424,188,613.19/47,910.27
  6. Step 6: Final answer
    x = 29,726.17

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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.