Home / 41,993.78-57,932.70-28,377.46

Finding the Fourth Proportional to 41,993.78, 57,932.70 and 28,377.46

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Solution

The fourth proportional to 41,993.78, 57,932.70 and 28,377.46 is: 39,148.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,993.78 : 57,932.70 = 28,377.46 : x
  2. Step 2: Convert to fraction form
    41,993.78/57,932.70 = 28,377.46/x
  3. Step 3: Cross multiply
    41,993.78x = 57,932.70 × 28,377.46
  4. Step 4: Simplify right side
    41,993.78x = 1,643,982,876.94
  5. Step 5: Solve for x
    x = 1,643,982,876.94/41,993.78
  6. Step 6: Final answer
    x = 39,148.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.