Home / 38,049.81-57,081.87-11,748.39

Finding the Fourth Proportional to 38,049.81, 57,081.87 and 11,748.39

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Solution

The fourth proportional to 38,049.81, 57,081.87 and 11,748.39 is: 17,624.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,049.81 : 57,081.87 = 11,748.39 : x
  2. Step 2: Convert to fraction form
    38,049.81/57,081.87 = 11,748.39/x
  3. Step 3: Cross multiply
    38,049.81x = 57,081.87 × 11,748.39
  4. Step 4: Simplify right side
    38,049.81x = 670,620,070.69
  5. Step 5: Solve for x
    x = 670,620,070.69/38,049.81
  6. Step 6: Final answer
    x = 17,624.79

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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.