Home / 40,380.42-55,724.55-22,475.13

Finding the Fourth Proportional to 40,380.42, 55,724.55 and 22,475.13

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Solution

The fourth proportional to 40,380.42, 55,724.55 and 22,475.13 is: 31,015.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,380.42 : 55,724.55 = 22,475.13 : x
  2. Step 2: Convert to fraction form
    40,380.42/55,724.55 = 22,475.13/x
  3. Step 3: Cross multiply
    40,380.42x = 55,724.55 × 22,475.13
  4. Step 4: Simplify right side
    40,380.42x = 1,252,416,505.44
  5. Step 5: Solve for x
    x = 1,252,416,505.44/40,380.42
  6. Step 6: Final answer
    x = 31,015.44

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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.