Home / 40,868.20-61,302.30-22,205.80

Finding the Fourth Proportional to 40,868.20, 61,302.30 and 22,205.80

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Solution

The fourth proportional to 40,868.20, 61,302.30 and 22,205.80 is: 33,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,868.20 : 61,302.30 = 22,205.80 : x
  2. Step 2: Convert to fraction form
    40,868.20/61,302.30 = 22,205.80/x
  3. Step 3: Cross multiply
    40,868.20x = 61,302.30 × 22,205.80
  4. Step 4: Simplify right side
    40,868.20x = 1,361,266,613.34
  5. Step 5: Solve for x
    x = 1,361,266,613.34/40,868.20
  6. Step 6: Final answer
    x = 33,308.70

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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.