Home / 40,163.20-60,247.80-12,081.02

Finding the Fourth Proportional to 40,163.20, 60,247.80 and 12,081.02

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Solution

The fourth proportional to 40,163.20, 60,247.80 and 12,081.02 is: 18,122.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,163.20 : 60,247.80 = 12,081.02 : x
  2. Step 2: Convert to fraction form
    40,163.20/60,247.80 = 12,081.02/x
  3. Step 3: Cross multiply
    40,163.20x = 60,247.80 × 12,081.02
  4. Step 4: Simplify right side
    40,163.20x = 727,854,575.52
  5. Step 5: Solve for x
    x = 727,854,575.52/40,163.20
  6. Step 6: Final answer
    x = 18,122.43

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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.