Home / 40,175.69-55,441.56-22,270.54

Finding the Fourth Proportional to 40,175.69, 55,441.56 and 22,270.54

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Solution

The fourth proportional to 40,175.69, 55,441.56 and 22,270.54 is: 30,732.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,175.69 : 55,441.56 = 22,270.54 : x
  2. Step 2: Convert to fraction form
    40,175.69/55,441.56 = 22,270.54/x
  3. Step 3: Cross multiply
    40,175.69x = 55,441.56 × 22,270.54
  4. Step 4: Simplify right side
    40,175.69x = 1,234,713,202.43
  5. Step 5: Solve for x
    x = 1,234,713,202.43/40,175.69
  6. Step 6: Final answer
    x = 30,732.85

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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.