Home / 31,282.82-43,170.85-17,134.75

Finding the Fourth Proportional to 31,282.82, 43,170.85 and 17,134.75

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Solution

The fourth proportional to 31,282.82, 43,170.85 and 17,134.75 is: 23,646.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,282.82 : 43,170.85 = 17,134.75 : x
  2. Step 2: Convert to fraction form
    31,282.82/43,170.85 = 17,134.75/x
  3. Step 3: Cross multiply
    31,282.82x = 43,170.85 × 17,134.75
  4. Step 4: Simplify right side
    31,282.82x = 739,721,571.27
  5. Step 5: Solve for x
    x = 739,721,571.27/31,282.82
  6. Step 6: Final answer
    x = 23,646.26

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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.