Home / 38,269.56-57,404.38-20,850.11

Finding the Fourth Proportional to 38,269.56, 57,404.38 and 20,850.11

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Solution

The fourth proportional to 38,269.56, 57,404.38 and 20,850.11 is: 31,275.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,269.56 : 57,404.38 = 20,850.11 : x
  2. Step 2: Convert to fraction form
    38,269.56/57,404.38 = 20,850.11/x
  3. Step 3: Cross multiply
    38,269.56x = 57,404.38 × 20,850.11
  4. Step 4: Simplify right side
    38,269.56x = 1,196,887,552.70
  5. Step 5: Solve for x
    x = 1,196,887,552.70/38,269.56
  6. Step 6: Final answer
    x = 31,275.18

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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.