Home / 36,781.12-55,171.68-25,709.42

Finding the Fourth Proportional to 36,781.12, 55,171.68 and 25,709.42

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Solution

The fourth proportional to 36,781.12, 55,171.68 and 25,709.42 is: 38,564.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,781.12 : 55,171.68 = 25,709.42 : x
  2. Step 2: Convert to fraction form
    36,781.12/55,171.68 = 25,709.42/x
  3. Step 3: Cross multiply
    36,781.12x = 55,171.68 × 25,709.42
  4. Step 4: Simplify right side
    36,781.12x = 1,418,431,893.23
  5. Step 5: Solve for x
    x = 1,418,431,893.23/36,781.12
  6. Step 6: Final answer
    x = 38,564.13

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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.