Home / 38,129.70-57,194.55-11,837.10

Finding the Fourth Proportional to 38,129.70, 57,194.55 and 11,837.10

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Solution

The fourth proportional to 38,129.70, 57,194.55 and 11,837.10 is: 17,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,129.70 : 57,194.55 = 11,837.10 : x
  2. Step 2: Convert to fraction form
    38,129.70/57,194.55 = 11,837.10/x
  3. Step 3: Cross multiply
    38,129.70x = 57,194.55 × 11,837.10
  4. Step 4: Simplify right side
    38,129.70x = 677,017,607.81
  5. Step 5: Solve for x
    x = 677,017,607.81/38,129.70
  6. Step 6: Final answer
    x = 17,755.65

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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.