Home / 24,375.20-36,562.80-20,219.90

Finding the Fourth Proportional to 24,375.20, 36,562.80 and 20,219.90

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Solution

The fourth proportional to 24,375.20, 36,562.80 and 20,219.90 is: 30,329.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,375.20 : 36,562.80 = 20,219.90 : x
  2. Step 2: Convert to fraction form
    24,375.20/36,562.80 = 20,219.90/x
  3. Step 3: Cross multiply
    24,375.20x = 36,562.80 × 20,219.90
  4. Step 4: Simplify right side
    24,375.20x = 739,296,159.72
  5. Step 5: Solve for x
    x = 739,296,159.72/24,375.20
  6. Step 6: Final answer
    x = 30,329.85

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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.