Home / 40,099.92-55,350.21-23,115.52

Finding the Fourth Proportional to 40,099.92, 55,350.21 and 23,115.52

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Solution

The fourth proportional to 40,099.92, 55,350.21 and 23,115.52 is: 31,906.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,099.92 : 55,350.21 = 23,115.52 : x
  2. Step 2: Convert to fraction form
    40,099.92/55,350.21 = 23,115.52/x
  3. Step 3: Cross multiply
    40,099.92x = 55,350.21 × 23,115.52
  4. Step 4: Simplify right side
    40,099.92x = 1,279,448,821.45
  5. Step 5: Solve for x
    x = 1,279,448,821.45/40,099.92
  6. Step 6: Final answer
    x = 31,906.52

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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.