Home / 40,119.62-55,361.23-22,213.97

Finding the Fourth Proportional to 40,119.62, 55,361.23 and 22,213.97

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Solution

The fourth proportional to 40,119.62, 55,361.23 and 22,213.97 is: 30,653.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,119.62 : 55,361.23 = 22,213.97 : x
  2. Step 2: Convert to fraction form
    40,119.62/55,361.23 = 22,213.97/x
  3. Step 3: Cross multiply
    40,119.62x = 55,361.23 × 22,213.97
  4. Step 4: Simplify right side
    40,119.62x = 1,229,792,702.38
  5. Step 5: Solve for x
    x = 1,229,792,702.38/40,119.62
  6. Step 6: Final answer
    x = 30,653.15

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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.