Home / 80,002.20-119,998.40-33,255.48

Finding the Fourth Proportional to 80,002.20, 119,998.40 and 33,255.48

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Solution

The fourth proportional to 80,002.20, 119,998.40 and 33,255.48 is: 49,881.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,002.20 : 119,998.40 = 33,255.48 : x
  2. Step 2: Convert to fraction form
    80,002.20/119,998.40 = 33,255.48/x
  3. Step 3: Cross multiply
    80,002.20x = 119,998.40 × 33,255.48
  4. Step 4: Simplify right side
    80,002.20x = 3,990,604,391.23
  5. Step 5: Solve for x
    x = 3,990,604,391.23/80,002.20
  6. Step 6: Final answer
    x = 49,881.18

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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.