Home / 38,494.20-57,742.92-12,199.98

Finding the Fourth Proportional to 38,494.20, 57,742.92 and 12,199.98

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Solution

The fourth proportional to 38,494.20, 57,742.92 and 12,199.98 is: 18,300.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,494.20 : 57,742.92 = 12,199.98 : x
  2. Step 2: Convert to fraction form
    38,494.20/57,742.92 = 12,199.98/x
  3. Step 3: Cross multiply
    38,494.20x = 57,742.92 × 12,199.98
  4. Step 4: Simplify right side
    38,494.20x = 704,462,469.14
  5. Step 5: Solve for x
    x = 704,462,469.14/38,494.20
  6. Step 6: Final answer
    x = 18,300.48

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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.