Home / 40,198.20-60,311.70-16,831.80

Finding the Fourth Proportional to 40,198.20, 60,311.70 and 16,831.80

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Solution

The fourth proportional to 40,198.20, 60,311.70 and 16,831.80 is: 25,253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,198.20 : 60,311.70 = 16,831.80 : x
  2. Step 2: Convert to fraction form
    40,198.20/60,311.70 = 16,831.80/x
  3. Step 3: Cross multiply
    40,198.20x = 60,311.70 × 16,831.80
  4. Step 4: Simplify right side
    40,198.20x = 1,015,154,472.06
  5. Step 5: Solve for x
    x = 1,015,154,472.06/40,198.20
  6. Step 6: Final answer
    x = 25,253.73

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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.