Home / 38,133.26-57,190.78-13,174.20

Finding the Fourth Proportional to 38,133.26, 57,190.78 and 13,174.20

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Solution

The fourth proportional to 38,133.26, 57,190.78 and 13,174.20 is: 19,758.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,133.26 : 57,190.78 = 13,174.20 : x
  2. Step 2: Convert to fraction form
    38,133.26/57,190.78 = 13,174.20/x
  3. Step 3: Cross multiply
    38,133.26x = 57,190.78 × 13,174.20
  4. Step 4: Simplify right side
    38,133.26x = 753,442,773.88
  5. Step 5: Solve for x
    x = 753,442,773.88/38,133.26
  6. Step 6: Final answer
    x = 19,758.15

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1.5x scale

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.