Home / 38,932.88-58,406.60-18,156.38

Finding the Fourth Proportional to 38,932.88, 58,406.60 and 18,156.38

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Solution

The fourth proportional to 38,932.88, 58,406.60 and 18,156.38 is: 27,237.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,932.88 : 58,406.60 = 18,156.38 : x
  2. Step 2: Convert to fraction form
    38,932.88/58,406.60 = 18,156.38/x
  3. Step 3: Cross multiply
    38,932.88x = 58,406.60 × 18,156.38
  4. Step 4: Simplify right side
    38,932.88x = 1,060,452,177.47
  5. Step 5: Solve for x
    x = 1,060,452,177.47/38,932.88
  6. Step 6: Final answer
    x = 27,237.96

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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.