Home / 41,660.80-57,475.85-28,907.61

Finding the Fourth Proportional to 41,660.80, 57,475.85 and 28,907.61

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Solution

The fourth proportional to 41,660.80, 57,475.85 and 28,907.61 is: 39,881.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,660.80 : 57,475.85 = 28,907.61 : x
  2. Step 2: Convert to fraction form
    41,660.80/57,475.85 = 28,907.61/x
  3. Step 3: Cross multiply
    41,660.80x = 57,475.85 × 28,907.61
  4. Step 4: Simplify right side
    41,660.80x = 1,661,489,258.75
  5. Step 5: Solve for x
    x = 1,661,489,258.75/41,660.80
  6. Step 6: Final answer
    x = 39,881.35

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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.