Home / 36,320.92-50,120.17-20,408.02

Finding the Fourth Proportional to 36,320.92, 50,120.17 and 20,408.02

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Solution

The fourth proportional to 36,320.92, 50,120.17 and 20,408.02 is: 28,161.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,320.92 : 50,120.17 = 20,408.02 : x
  2. Step 2: Convert to fraction form
    36,320.92/50,120.17 = 20,408.02/x
  3. Step 3: Cross multiply
    36,320.92x = 50,120.17 × 20,408.02
  4. Step 4: Simplify right side
    36,320.92x = 1,022,853,431.76
  5. Step 5: Solve for x
    x = 1,022,853,431.76/36,320.92
  6. Step 6: Final answer
    x = 28,161.55

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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.