Home / 40,170.22-55,431.21-22,264.36

Finding the Fourth Proportional to 40,170.22, 55,431.21 and 22,264.36

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Solution

The fourth proportional to 40,170.22, 55,431.21 and 22,264.36 is: 30,722.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,170.22 : 55,431.21 = 22,264.36 : x
  2. Step 2: Convert to fraction form
    40,170.22/55,431.21 = 22,264.36/x
  3. Step 3: Cross multiply
    40,170.22x = 55,431.21 × 22,264.36
  4. Step 4: Simplify right side
    40,170.22x = 1,234,140,414.68
  5. Step 5: Solve for x
    x = 1,234,140,414.68/40,170.22
  6. Step 6: Final answer
    x = 30,722.77

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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.