Home / 35,856.45-49,481.19-19,940.55

Finding the Fourth Proportional to 35,856.45, 49,481.19 and 19,940.55

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Solution

The fourth proportional to 35,856.45, 49,481.19 and 19,940.55 is: 27,517.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,856.45 : 49,481.19 = 19,940.55 : x
  2. Step 2: Convert to fraction form
    35,856.45/49,481.19 = 19,940.55/x
  3. Step 3: Cross multiply
    35,856.45x = 49,481.19 × 19,940.55
  4. Step 4: Simplify right side
    35,856.45x = 986,682,143.25
  5. Step 5: Solve for x
    x = 986,682,143.25/35,856.45
  6. Step 6: Final answer
    x = 27,517.56

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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.