Home / 40,380.44-55,724.43-22,475.45

Finding the Fourth Proportional to 40,380.44, 55,724.43 and 22,475.45

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Solution

The fourth proportional to 40,380.44, 55,724.43 and 22,475.45 is: 31,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,380.44 : 55,724.43 = 22,475.45 : x
  2. Step 2: Convert to fraction form
    40,380.44/55,724.43 = 22,475.45/x
  3. Step 3: Cross multiply
    40,380.44x = 55,724.43 × 22,475.45
  4. Step 4: Simplify right side
    40,380.44x = 1,252,431,640.24
  5. Step 5: Solve for x
    x = 1,252,431,640.24/40,380.44
  6. Step 6: Final answer
    x = 31,015.80

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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.