Home / 41,519.31-57,279.20-28,951.35

Finding the Fourth Proportional to 41,519.31, 57,279.20 and 28,951.35

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Solution

The fourth proportional to 41,519.31, 57,279.20 and 28,951.35 is: 39,940.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,519.31 : 57,279.20 = 28,951.35 : x
  2. Step 2: Convert to fraction form
    41,519.31/57,279.20 = 28,951.35/x
  3. Step 3: Cross multiply
    41,519.31x = 57,279.20 × 28,951.35
  4. Step 4: Simplify right side
    41,519.31x = 1,658,310,022.16
  5. Step 5: Solve for x
    x = 1,658,310,022.16/41,519.31
  6. Step 6: Final answer
    x = 39,940.69

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1.5x scale

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.