Home / 33,961.80-50,981.10-20,118.60

Finding the Fourth Proportional to 33,961.80, 50,981.10 and 20,118.60

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Solution

The fourth proportional to 33,961.80, 50,981.10 and 20,118.60 is: 30,200.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,961.80 : 50,981.10 = 20,118.60 : x
  2. Step 2: Convert to fraction form
    33,961.80/50,981.10 = 20,118.60/x
  3. Step 3: Cross multiply
    33,961.80x = 50,981.10 × 20,118.60
  4. Step 4: Simplify right side
    33,961.80x = 1,025,668,358.46
  5. Step 5: Solve for x
    x = 1,025,668,358.46/33,961.80
  6. Step 6: Final answer
    x = 30,200.65

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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.