Home / 41,403.50-57,136.97-22,540.76

Finding the Fourth Proportional to 41,403.50, 57,136.97 and 22,540.76

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Solution

The fourth proportional to 41,403.50, 57,136.97 and 22,540.76 is: 31,106.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,403.50 : 57,136.97 = 22,540.76 : x
  2. Step 2: Convert to fraction form
    41,403.50/57,136.97 = 22,540.76/x
  3. Step 3: Cross multiply
    41,403.50x = 57,136.97 × 22,540.76
  4. Step 4: Simplify right side
    41,403.50x = 1,287,910,615.19
  5. Step 5: Solve for x
    x = 1,287,910,615.19/41,403.50
  6. Step 6: Final answer
    x = 31,106.32

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.