Home / 36,160.38-49,901.40-20,245.50

Finding the Fourth Proportional to 36,160.38, 49,901.40 and 20,245.50

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Solution

The fourth proportional to 36,160.38, 49,901.40 and 20,245.50 is: 27,938.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,160.38 : 49,901.40 = 20,245.50 : x
  2. Step 2: Convert to fraction form
    36,160.38/49,901.40 = 20,245.50/x
  3. Step 3: Cross multiply
    36,160.38x = 49,901.40 × 20,245.50
  4. Step 4: Simplify right side
    36,160.38x = 1,010,278,793.70
  5. Step 5: Solve for x
    x = 1,010,278,793.70/36,160.38
  6. Step 6: Final answer
    x = 27,938.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.