Home / 36,123.20-49,847.70-20,204.90

Finding the Fourth Proportional to 36,123.20, 49,847.70 and 20,204.90

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Solution

The fourth proportional to 36,123.20, 49,847.70 and 20,204.90 is: 27,881.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,123.20 : 49,847.70 = 20,204.90 : x
  2. Step 2: Convert to fraction form
    36,123.20/49,847.70 = 20,204.90/x
  3. Step 3: Cross multiply
    36,123.20x = 49,847.70 × 20,204.90
  4. Step 4: Simplify right side
    36,123.20x = 1,007,167,793.73
  5. Step 5: Solve for x
    x = 1,007,167,793.73/36,123.20
  6. Step 6: Final answer
    x = 27,881.47

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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.