Home / 38,467.10-57,694.87-12,168.43

Finding the Fourth Proportional to 38,467.10, 57,694.87 and 12,168.43

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Solution

The fourth proportional to 38,467.10, 57,694.87 and 12,168.43 is: 18,250.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,467.10 : 57,694.87 = 12,168.43 : x
  2. Step 2: Convert to fraction form
    38,467.10/57,694.87 = 12,168.43/x
  3. Step 3: Cross multiply
    38,467.10x = 57,694.87 × 12,168.43
  4. Step 4: Simplify right side
    38,467.10x = 702,055,857.93
  5. Step 5: Solve for x
    x = 702,055,857.93/38,467.10
  6. Step 6: Final answer
    x = 18,250.81

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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.