Home / 38,101.82-57,174.33-20,571.26

Finding the Fourth Proportional to 38,101.82, 57,174.33 and 20,571.26

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Solution

The fourth proportional to 38,101.82, 57,174.33 and 20,571.26 is: 30,868.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,101.82 : 57,174.33 = 20,571.26 : x
  2. Step 2: Convert to fraction form
    38,101.82/57,174.33 = 20,571.26/x
  3. Step 3: Cross multiply
    38,101.82x = 57,174.33 × 20,571.26
  4. Step 4: Simplify right side
    38,101.82x = 1,176,148,007.76
  5. Step 5: Solve for x
    x = 1,176,148,007.76/38,101.82
  6. Step 6: Final answer
    x = 30,868.55

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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.