Home / 31,640.44-43,651.25-18,204.46

Finding the Fourth Proportional to 31,640.44, 43,651.25 and 18,204.46

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Solution

The fourth proportional to 31,640.44, 43,651.25 and 18,204.46 is: 25,114.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,640.44 : 43,651.25 = 18,204.46 : x
  2. Step 2: Convert to fraction form
    31,640.44/43,651.25 = 18,204.46/x
  3. Step 3: Cross multiply
    31,640.44x = 43,651.25 × 18,204.46
  4. Step 4: Simplify right side
    31,640.44x = 794,647,343.55
  5. Step 5: Solve for x
    x = 794,647,343.55/31,640.44
  6. Step 6: Final answer
    x = 25,114.93

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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.