Home / 22,229.76-33,202.67-20,118.15

Finding the Fourth Proportional to 22,229.76, 33,202.67 and 20,118.15

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Solution

The fourth proportional to 22,229.76, 33,202.67 and 20,118.15 is: 30,048.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,229.76 : 33,202.67 = 20,118.15 : x
  2. Step 2: Convert to fraction form
    22,229.76/33,202.67 = 20,118.15/x
  3. Step 3: Cross multiply
    22,229.76x = 33,202.67 × 20,118.15
  4. Step 4: Simplify right side
    22,229.76x = 667,976,295.46
  5. Step 5: Solve for x
    x = 667,976,295.46/22,229.76
  6. Step 6: Final answer
    x = 30,048.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.