Home / 40,175.91-55,440.90-22,270.68

Finding the Fourth Proportional to 40,175.91, 55,440.90 and 22,270.68

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Solution

The fourth proportional to 40,175.91, 55,440.90 and 22,270.68 is: 30,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,175.91 : 55,440.90 = 22,270.68 : x
  2. Step 2: Convert to fraction form
    40,175.91/55,440.90 = 22,270.68/x
  3. Step 3: Cross multiply
    40,175.91x = 55,440.90 × 22,270.68
  4. Step 4: Simplify right side
    40,175.91x = 1,234,706,542.81
  5. Step 5: Solve for x
    x = 1,234,706,542.81/40,175.91
  6. Step 6: Final answer
    x = 30,732.51

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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.