Home / 38,494.73-57,743.72-12,198.89

Finding the Fourth Proportional to 38,494.73, 57,743.72 and 12,198.89

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Solution

The fourth proportional to 38,494.73, 57,743.72 and 12,198.89 is: 18,298.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,494.73 : 57,743.72 = 12,198.89 : x
  2. Step 2: Convert to fraction form
    38,494.73/57,743.72 = 12,198.89/x
  3. Step 3: Cross multiply
    38,494.73x = 57,743.72 × 12,198.89
  4. Step 4: Simplify right side
    38,494.73x = 704,409,288.47
  5. Step 5: Solve for x
    x = 704,409,288.47/38,494.73
  6. Step 6: Final answer
    x = 18,298.85

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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.