Home / 33,218.11-49,770.78-20,042.80

Finding the Fourth Proportional to 33,218.11, 49,770.78 and 20,042.80

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Solution

The fourth proportional to 33,218.11, 49,770.78 and 20,042.80 is: 30,030.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,218.11 : 49,770.78 = 20,042.80 : x
  2. Step 2: Convert to fraction form
    33,218.11/49,770.78 = 20,042.80/x
  3. Step 3: Cross multiply
    33,218.11x = 49,770.78 × 20,042.80
  4. Step 4: Simplify right side
    33,218.11x = 997,545,789.38
  5. Step 5: Solve for x
    x = 997,545,789.38/33,218.11
  6. Step 6: Final answer
    x = 30,030.18

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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.