Home / 33,447.60-50,155.20-18,640.80

Finding the Fourth Proportional to 33,447.60, 50,155.20 and 18,640.80

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Solution

The fourth proportional to 33,447.60, 50,155.20 and 18,640.80 is: 27,952.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,447.60 : 50,155.20 = 18,640.80 : x
  2. Step 2: Convert to fraction form
    33,447.60/50,155.20 = 18,640.80/x
  3. Step 3: Cross multiply
    33,447.60x = 50,155.20 × 18,640.80
  4. Step 4: Simplify right side
    33,447.60x = 934,933,052.16
  5. Step 5: Solve for x
    x = 934,933,052.16/33,447.60
  6. Step 6: Final answer
    x = 27,952.17

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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.