Home / 31,910.92-47,974.50-25,714.44

Finding the Fourth Proportional to 31,910.92, 47,974.50 and 25,714.44

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Solution

The fourth proportional to 31,910.92, 47,974.50 and 25,714.44 is: 38,658.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,910.92 : 47,974.50 = 25,714.44 : x
  2. Step 2: Convert to fraction form
    31,910.92/47,974.50 = 25,714.44/x
  3. Step 3: Cross multiply
    31,910.92x = 47,974.50 × 25,714.44
  4. Step 4: Simplify right side
    31,910.92x = 1,233,637,401.78
  5. Step 5: Solve for x
    x = 1,233,637,401.78/31,910.92
  6. Step 6: Final answer
    x = 38,658.79

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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.