Home / 31,714.60-47,514.30-25,839.40

Finding the Fourth Proportional to 31,714.60, 47,514.30 and 25,839.40

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Solution

The fourth proportional to 31,714.60, 47,514.30 and 25,839.40 is: 38,712.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,714.60 : 47,514.30 = 25,839.40 : x
  2. Step 2: Convert to fraction form
    31,714.60/47,514.30 = 25,839.40/x
  3. Step 3: Cross multiply
    31,714.60x = 47,514.30 × 25,839.40
  4. Step 4: Simplify right side
    31,714.60x = 1,227,741,003.42
  5. Step 5: Solve for x
    x = 1,227,741,003.42/31,714.60
  6. Step 6: Final answer
    x = 38,712.17

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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.