Home / 48,589.20-72,912.60-31,996.80

Finding the Fourth Proportional to 48,589.20, 72,912.60 and 31,996.80

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Solution

The fourth proportional to 48,589.20, 72,912.60 and 31,996.80 is: 48,014.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,589.20 : 72,912.60 = 31,996.80 : x
  2. Step 2: Convert to fraction form
    48,589.20/72,912.60 = 31,996.80/x
  3. Step 3: Cross multiply
    48,589.20x = 72,912.60 × 31,996.80
  4. Step 4: Simplify right side
    48,589.20x = 2,332,969,879.68
  5. Step 5: Solve for x
    x = 2,332,969,879.68/48,589.20
  6. Step 6: Final answer
    x = 48,014.17

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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.