Home / 51,919.38-71,650.22-28,949.73

Finding the Fourth Proportional to 51,919.38, 71,650.22 and 28,949.73

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Solution

The fourth proportional to 51,919.38, 71,650.22 and 28,949.73 is: 39,951.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,919.38 : 71,650.22 = 28,949.73 : x
  2. Step 2: Convert to fraction form
    51,919.38/71,650.22 = 28,949.73/x
  3. Step 3: Cross multiply
    51,919.38x = 71,650.22 × 28,949.73
  4. Step 4: Simplify right side
    51,919.38x = 2,074,254,474.36
  5. Step 5: Solve for x
    x = 2,074,254,474.36/51,919.38
  6. Step 6: Final answer
    x = 39,951.45

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Double scale
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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.