Home / 36,811.60-55,217.88-10,517.20

Finding the Fourth Proportional to 36,811.60, 55,217.88 and 10,517.20

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Solution

The fourth proportional to 36,811.60, 55,217.88 and 10,517.20 is: 15,775.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,811.60 : 55,217.88 = 10,517.20 : x
  2. Step 2: Convert to fraction form
    36,811.60/55,217.88 = 10,517.20/x
  3. Step 3: Cross multiply
    36,811.60x = 55,217.88 × 10,517.20
  4. Step 4: Simplify right side
    36,811.60x = 580,737,487.54
  5. Step 5: Solve for x
    x = 580,737,487.54/36,811.60
  6. Step 6: Final answer
    x = 15,775.94

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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.