Home / 57,854.30-86,757.75-18,400.82

Finding the Fourth Proportional to 57,854.30, 86,757.75 and 18,400.82

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Solution

The fourth proportional to 57,854.30, 86,757.75 and 18,400.82 is: 27,593.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,854.30 : 86,757.75 = 18,400.82 : x
  2. Step 2: Convert to fraction form
    57,854.30/86,757.75 = 18,400.82/x
  3. Step 3: Cross multiply
    57,854.30x = 86,757.75 × 18,400.82
  4. Step 4: Simplify right side
    57,854.30x = 1,596,413,307.57
  5. Step 5: Solve for x
    x = 1,596,413,307.57/57,854.30
  6. Step 6: Final answer
    x = 27,593.69

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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.