Home / 31,380.44-43,305.31-17,233.59

Finding the Fourth Proportional to 31,380.44, 43,305.31 and 17,233.59

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Solution

The fourth proportional to 31,380.44, 43,305.31 and 17,233.59 is: 23,782.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,380.44 : 43,305.31 = 17,233.59 : x
  2. Step 2: Convert to fraction form
    31,380.44/43,305.31 = 17,233.59/x
  3. Step 3: Cross multiply
    31,380.44x = 43,305.31 × 17,233.59
  4. Step 4: Simplify right side
    31,380.44x = 746,305,740.84
  5. Step 5: Solve for x
    x = 746,305,740.84/31,380.44
  6. Step 6: Final answer
    x = 23,782.51

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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.