Home / 40,168.64-55,432.68-22,263.68

Finding the Fourth Proportional to 40,168.64, 55,432.68 and 22,263.68

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Solution

The fourth proportional to 40,168.64, 55,432.68 and 22,263.68 is: 30,723.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,168.64 : 55,432.68 = 22,263.68 : x
  2. Step 2: Convert to fraction form
    40,168.64/55,432.68 = 22,263.68/x
  3. Step 3: Cross multiply
    40,168.64x = 55,432.68 × 22,263.68
  4. Step 4: Simplify right side
    40,168.64x = 1,234,135,449.06
  5. Step 5: Solve for x
    x = 1,234,135,449.06/40,168.64
  6. Step 6: Final answer
    x = 30,723.85

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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.