Home / 38,499.20-57,743.92-12,204.16

Finding the Fourth Proportional to 38,499.20, 57,743.92 and 12,204.16

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Solution

The fourth proportional to 38,499.20, 57,743.92 and 12,204.16 is: 18,304.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,499.20 : 57,743.92 = 12,204.16 : x
  2. Step 2: Convert to fraction form
    38,499.20/57,743.92 = 12,204.16/x
  3. Step 3: Cross multiply
    38,499.20x = 57,743.92 × 12,204.16
  4. Step 4: Simplify right side
    38,499.20x = 704,716,038.71
  5. Step 5: Solve for x
    x = 704,716,038.71/38,499.20
  6. Step 6: Final answer
    x = 18,304.69

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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.