Home / 40,163.72-55,424.51-22,260.38

Finding the Fourth Proportional to 40,163.72, 55,424.51 and 22,260.38

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Solution

The fourth proportional to 40,163.72, 55,424.51 and 22,260.38 is: 30,718.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,163.72 : 55,424.51 = 22,260.38 : x
  2. Step 2: Convert to fraction form
    40,163.72/55,424.51 = 22,260.38/x
  3. Step 3: Cross multiply
    40,163.72x = 55,424.51 × 22,260.38
  4. Step 4: Simplify right side
    40,163.72x = 1,233,770,265.49
  5. Step 5: Solve for x
    x = 1,233,770,265.49/40,163.72
  6. Step 6: Final answer
    x = 30,718.53

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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.