Home / 40,197.60-55,472.16-22,292.64

Finding the Fourth Proportional to 40,197.60, 55,472.16 and 22,292.64

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Solution

The fourth proportional to 40,197.60, 55,472.16 and 22,292.64 is: 30,763.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,197.60 : 55,472.16 = 22,292.64 : x
  2. Step 2: Convert to fraction form
    40,197.60/55,472.16 = 22,292.64/x
  3. Step 3: Cross multiply
    40,197.60x = 55,472.16 × 22,292.64
  4. Step 4: Simplify right side
    40,197.60x = 1,236,620,892.90
  5. Step 5: Solve for x
    x = 1,236,620,892.90/40,197.60
  6. Step 6: Final answer
    x = 30,763.55

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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.