Home / 36,220.78-54,331.17-12,841.75

Finding the Fourth Proportional to 36,220.78, 54,331.17 and 12,841.75

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Solution

The fourth proportional to 36,220.78, 54,331.17 and 12,841.75 is: 19,262.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,220.78 : 54,331.17 = 12,841.75 : x
  2. Step 2: Convert to fraction form
    36,220.78/54,331.17 = 12,841.75/x
  3. Step 3: Cross multiply
    36,220.78x = 54,331.17 × 12,841.75
  4. Step 4: Simplify right side
    36,220.78x = 697,707,302.35
  5. Step 5: Solve for x
    x = 697,707,302.35/36,220.78
  6. Step 6: Final answer
    x = 19,262.63

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.