Home / 38,191.63-57,290.17-16,001.78

Finding the Fourth Proportional to 38,191.63, 57,290.17 and 16,001.78

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Solution

The fourth proportional to 38,191.63, 57,290.17 and 16,001.78 is: 24,003.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,191.63 : 57,290.17 = 16,001.78 : x
  2. Step 2: Convert to fraction form
    38,191.63/57,290.17 = 16,001.78/x
  3. Step 3: Cross multiply
    38,191.63x = 57,290.17 × 16,001.78
  4. Step 4: Simplify right side
    38,191.63x = 916,744,628.69
  5. Step 5: Solve for x
    x = 916,744,628.69/38,191.63
  6. Step 6: Final answer
    x = 24,003.81

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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.