Home / 40,175.94-55,441.90-22,270.79

Finding the Fourth Proportional to 40,175.94, 55,441.90 and 22,270.79

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Solution

The fourth proportional to 40,175.94, 55,441.90 and 22,270.79 is: 30,733.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,175.94 : 55,441.90 = 22,270.79 : x
  2. Step 2: Convert to fraction form
    40,175.94/55,441.90 = 22,270.79/x
  3. Step 3: Cross multiply
    40,175.94x = 55,441.90 × 22,270.79
  4. Step 4: Simplify right side
    40,175.94x = 1,234,734,912.10
  5. Step 5: Solve for x
    x = 1,234,734,912.10/40,175.94
  6. Step 6: Final answer
    x = 30,733.19

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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.