Home / 31,665.67-43,694.80-18,241.27

Finding the Fourth Proportional to 31,665.67, 43,694.80 and 18,241.27

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Solution

The fourth proportional to 31,665.67, 43,694.80 and 18,241.27 is: 25,170.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,665.67 : 43,694.80 = 18,241.27 : x
  2. Step 2: Convert to fraction form
    31,665.67/43,694.80 = 18,241.27/x
  3. Step 3: Cross multiply
    31,665.67x = 43,694.80 × 18,241.27
  4. Step 4: Simplify right side
    31,665.67x = 797,048,489.56
  5. Step 5: Solve for x
    x = 797,048,489.56/31,665.67
  6. Step 6: Final answer
    x = 25,170.75

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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.