Home / 20,236.60-30,352.62-5,446.71

Finding the Fourth Proportional to 20,236.60, 30,352.62 and 5,446.71

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Solution

The fourth proportional to 20,236.60, 30,352.62 and 5,446.71 is: 8,169.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236.60 : 30,352.62 = 5,446.71 : x
  2. Step 2: Convert to fraction form
    20,236.60/30,352.62 = 5,446.71/x
  3. Step 3: Cross multiply
    20,236.60x = 30,352.62 × 5,446.71
  4. Step 4: Simplify right side
    20,236.60x = 165,321,739.88
  5. Step 5: Solve for x
    x = 165,321,739.88/20,236.60
  6. Step 6: Final answer
    x = 8,169.44

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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.