Home / 40,324.55-55,644.72-22,418.47

Finding the Fourth Proportional to 40,324.55, 55,644.72 and 22,418.47

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Solution

The fourth proportional to 40,324.55, 55,644.72 and 22,418.47 is: 30,935.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,324.55 : 55,644.72 = 22,418.47 : x
  2. Step 2: Convert to fraction form
    40,324.55/55,644.72 = 22,418.47/x
  3. Step 3: Cross multiply
    40,324.55x = 55,644.72 × 22,418.47
  4. Step 4: Simplify right side
    40,324.55x = 1,247,469,485.98
  5. Step 5: Solve for x
    x = 1,247,469,485.98/40,324.55
  6. Step 6: Final answer
    x = 30,935.73

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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.