Home / 57,838.92-86,757.18-18,396.12

Finding the Fourth Proportional to 57,838.92, 86,757.18 and 18,396.12

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Solution

The fourth proportional to 57,838.92, 86,757.18 and 18,396.12 is: 27,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,838.92 : 86,757.18 = 18,396.12 : x
  2. Step 2: Convert to fraction form
    57,838.92/86,757.18 = 18,396.12/x
  3. Step 3: Cross multiply
    57,838.92x = 86,757.18 × 18,396.12
  4. Step 4: Simplify right side
    57,838.92x = 1,595,995,494.14
  5. Step 5: Solve for x
    x = 1,595,995,494.14/57,838.92
  6. Step 6: Final answer
    x = 27,593.80

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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.