Home / 57,839.92-86,759.88-18,397.04

Finding the Fourth Proportional to 57,839.92, 86,759.88 and 18,397.04

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Solution

The fourth proportional to 57,839.92, 86,759.88 and 18,397.04 is: 27,595.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,839.92 : 86,759.88 = 18,397.04 : x
  2. Step 2: Convert to fraction form
    57,839.92/86,759.88 = 18,397.04/x
  3. Step 3: Cross multiply
    57,839.92x = 86,759.88 × 18,397.04
  4. Step 4: Simplify right side
    57,839.92x = 1,596,124,982.76
  5. Step 5: Solve for x
    x = 1,596,124,982.76/57,839.92
  6. Step 6: Final answer
    x = 27,595.56

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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.