Home / 40,137.97-55,392.22-22,232.97

Finding the Fourth Proportional to 40,137.97, 55,392.22 and 22,232.97

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Solution

The fourth proportional to 40,137.97, 55,392.22 and 22,232.97 is: 30,682.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,137.97 : 55,392.22 = 22,232.97 : x
  2. Step 2: Convert to fraction form
    40,137.97/55,392.22 = 22,232.97/x
  3. Step 3: Cross multiply
    40,137.97x = 55,392.22 × 22,232.97
  4. Step 4: Simplify right side
    40,137.97x = 1,231,533,454.33
  5. Step 5: Solve for x
    x = 1,231,533,454.33/40,137.97
  6. Step 6: Final answer
    x = 30,682.51

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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.