Home / 57,832.56-86,757.47-18,390.96

Finding the Fourth Proportional to 57,832.56, 86,757.47 and 18,390.96

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Solution

The fourth proportional to 57,832.56, 86,757.47 and 18,390.96 is: 27,589.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,832.56 : 86,757.47 = 18,390.96 : x
  2. Step 2: Convert to fraction form
    57,832.56/86,757.47 = 18,390.96/x
  3. Step 3: Cross multiply
    57,832.56x = 86,757.47 × 18,390.96
  4. Step 4: Simplify right side
    57,832.56x = 1,595,553,160.47
  5. Step 5: Solve for x
    x = 1,595,553,160.47/57,832.56
  6. Step 6: Final answer
    x = 27,589.18

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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.