Home / 20,170.20-30,218.85-16,452.30

Finding the Fourth Proportional to 20,170.20, 30,218.85 and 16,452.30

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Solution

The fourth proportional to 20,170.20, 30,218.85 and 16,452.30 is: 24,648.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,170.20 : 30,218.85 = 16,452.30 : x
  2. Step 2: Convert to fraction form
    20,170.20/30,218.85 = 16,452.30/x
  3. Step 3: Cross multiply
    20,170.20x = 30,218.85 × 16,452.30
  4. Step 4: Simplify right side
    20,170.20x = 497,169,585.86
  5. Step 5: Solve for x
    x = 497,169,585.86/20,170.20
  6. Step 6: Final answer
    x = 24,648.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.