Home / 36,378.60-50,198.40-20,462.70

Finding the Fourth Proportional to 36,378.60, 50,198.40 and 20,462.70

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Solution

The fourth proportional to 36,378.60, 50,198.40 and 20,462.70 is: 28,236.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,378.60 : 50,198.40 = 20,462.70 : x
  2. Step 2: Convert to fraction form
    36,378.60/50,198.40 = 20,462.70/x
  3. Step 3: Cross multiply
    36,378.60x = 50,198.40 × 20,462.70
  4. Step 4: Simplify right side
    36,378.60x = 1,027,194,799.68
  5. Step 5: Solve for x
    x = 1,027,194,799.68/36,378.60
  6. Step 6: Final answer
    x = 28,236.24

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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.