Home / 36,691.28-50,634.15-20,778.83

Finding the Fourth Proportional to 36,691.28, 50,634.15 and 20,778.83

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Solution

The fourth proportional to 36,691.28, 50,634.15 and 20,778.83 is: 28,674.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,691.28 : 50,634.15 = 20,778.83 : x
  2. Step 2: Convert to fraction form
    36,691.28/50,634.15 = 20,778.83/x
  3. Step 3: Cross multiply
    36,691.28x = 50,634.15 × 20,778.83
  4. Step 4: Simplify right side
    36,691.28x = 1,052,118,395.04
  5. Step 5: Solve for x
    x = 1,052,118,395.04/36,691.28
  6. Step 6: Final answer
    x = 28,674.89

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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.