Home / 38,171.14-57,249.41-11,876.20

Finding the Fourth Proportional to 38,171.14, 57,249.41 and 11,876.20

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Solution

The fourth proportional to 38,171.14, 57,249.41 and 11,876.20 is: 17,812.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,171.14 : 57,249.41 = 11,876.20 : x
  2. Step 2: Convert to fraction form
    38,171.14/57,249.41 = 11,876.20/x
  3. Step 3: Cross multiply
    38,171.14x = 57,249.41 × 11,876.20
  4. Step 4: Simplify right side
    38,171.14x = 679,905,443.04
  5. Step 5: Solve for x
    x = 679,905,443.04/38,171.14
  6. Step 6: Final answer
    x = 17,812.03

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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.