Home / 40,304.72-55,620.22-22,400.24

Finding the Fourth Proportional to 40,304.72, 55,620.22 and 22,400.24

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Solution

The fourth proportional to 40,304.72, 55,620.22 and 22,400.24 is: 30,912.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,304.72 : 55,620.22 = 22,400.24 : x
  2. Step 2: Convert to fraction form
    40,304.72/55,620.22 = 22,400.24/x
  3. Step 3: Cross multiply
    40,304.72x = 55,620.22 × 22,400.24
  4. Step 4: Simplify right side
    40,304.72x = 1,245,906,276.85
  5. Step 5: Solve for x
    x = 1,245,906,276.85/40,304.72
  6. Step 6: Final answer
    x = 30,912.17

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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.