Home / 31,757.13-47,602.10-11,753.75

Finding the Fourth Proportional to 31,757.13, 47,602.10 and 11,753.75

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Solution

The fourth proportional to 31,757.13, 47,602.10 and 11,753.75 is: 17,618.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,757.13 : 47,602.10 = 11,753.75 : x
  2. Step 2: Convert to fraction form
    31,757.13/47,602.10 = 11,753.75/x
  3. Step 3: Cross multiply
    31,757.13x = 47,602.10 × 11,753.75
  4. Step 4: Simplify right side
    31,757.13x = 559,502,974.25
  5. Step 5: Solve for x
    x = 559,502,974.25/31,757.13
  6. Step 6: Final answer
    x = 17,618.18

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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.