Home / 38,529.20-57,755.40-17,716.40

Finding the Fourth Proportional to 38,529.20, 57,755.40 and 17,716.40

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Solution

The fourth proportional to 38,529.20, 57,755.40 and 17,716.40 is: 26,556.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,529.20 : 57,755.40 = 17,716.40 : x
  2. Step 2: Convert to fraction form
    38,529.20/57,755.40 = 17,716.40/x
  3. Step 3: Cross multiply
    38,529.20x = 57,755.40 × 17,716.40
  4. Step 4: Simplify right side
    38,529.20x = 1,023,217,768.56
  5. Step 5: Solve for x
    x = 1,023,217,768.56/38,529.20
  6. Step 6: Final answer
    x = 26,556.94

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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.