Home / 38,140.38-57,196.53-13,174.02

Finding the Fourth Proportional to 38,140.38, 57,196.53 and 13,174.02

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Solution

The fourth proportional to 38,140.38, 57,196.53 and 13,174.02 is: 19,756.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,140.38 : 57,196.53 = 13,174.02 : x
  2. Step 2: Convert to fraction form
    38,140.38/57,196.53 = 13,174.02/x
  3. Step 3: Cross multiply
    38,140.38x = 57,196.53 × 13,174.02
  4. Step 4: Simplify right side
    38,140.38x = 753,508,230.15
  5. Step 5: Solve for x
    x = 753,508,230.15/38,140.38
  6. Step 6: Final answer
    x = 19,756.18

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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.