Home / 31,481.26-43,444.68-17,141.50

Finding the Fourth Proportional to 31,481.26, 43,444.68 and 17,141.50

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Solution

The fourth proportional to 31,481.26, 43,444.68 and 17,141.50 is: 23,655.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,481.26 : 43,444.68 = 17,141.50 : x
  2. Step 2: Convert to fraction form
    31,481.26/43,444.68 = 17,141.50/x
  3. Step 3: Cross multiply
    31,481.26x = 43,444.68 × 17,141.50
  4. Step 4: Simplify right side
    31,481.26x = 744,706,982.22
  5. Step 5: Solve for x
    x = 744,706,982.22/31,481.26
  6. Step 6: Final answer
    x = 23,655.56

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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.