Home / 36,800.28-50,781.42-20,887.38

Finding the Fourth Proportional to 36,800.28, 50,781.42 and 20,887.38

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Solution

The fourth proportional to 36,800.28, 50,781.42 and 20,887.38 is: 28,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,800.28 : 50,781.42 = 20,887.38 : x
  2. Step 2: Convert to fraction form
    36,800.28/50,781.42 = 20,887.38/x
  3. Step 3: Cross multiply
    36,800.28x = 50,781.42 × 20,887.38
  4. Step 4: Simplify right side
    36,800.28x = 1,060,690,816.48
  5. Step 5: Solve for x
    x = 1,060,690,816.48/36,800.28
  6. Step 6: Final answer
    x = 28,822.90

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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.