Home / 38,126.94-57,198.03-13,167.90

Finding the Fourth Proportional to 38,126.94, 57,198.03 and 13,167.90

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Solution

The fourth proportional to 38,126.94, 57,198.03 and 13,167.90 is: 19,754.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,126.94 : 57,198.03 = 13,167.90 : x
  2. Step 2: Convert to fraction form
    38,126.94/57,198.03 = 13,167.90/x
  3. Step 3: Cross multiply
    38,126.94x = 57,198.03 × 13,167.90
  4. Step 4: Simplify right side
    38,126.94x = 753,177,939.24
  5. Step 5: Solve for x
    x = 753,177,939.24/38,126.94
  6. Step 6: Final answer
    x = 19,754.48

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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.