Home / 57,538.24-86,305.31-17,555.61

Finding the Fourth Proportional to 57,538.24, 86,305.31 and 17,555.61

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Solution

The fourth proportional to 57,538.24, 86,305.31 and 17,555.61 is: 26,332.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,538.24 : 86,305.31 = 17,555.61 : x
  2. Step 2: Convert to fraction form
    57,538.24/86,305.31 = 17,555.61/x
  3. Step 3: Cross multiply
    57,538.24x = 86,305.31 × 17,555.61
  4. Step 4: Simplify right side
    57,538.24x = 1,515,142,083.53
  5. Step 5: Solve for x
    x = 1,515,142,083.53/57,538.24
  6. Step 6: Final answer
    x = 26,332.79

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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.