Home / 20,162.70-30,244.05-14,589.90

Finding the Fourth Proportional to 20,162.70, 30,244.05 and 14,589.90

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Solution

The fourth proportional to 20,162.70, 30,244.05 and 14,589.90 is: 21,884.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162.70 : 30,244.05 = 14,589.90 : x
  2. Step 2: Convert to fraction form
    20,162.70/30,244.05 = 14,589.90/x
  3. Step 3: Cross multiply
    20,162.70x = 30,244.05 × 14,589.90
  4. Step 4: Simplify right side
    20,162.70x = 441,257,665.10
  5. Step 5: Solve for x
    x = 441,257,665.10/20,162.70
  6. Step 6: Final answer
    x = 21,884.85

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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.