Home / 31,855.62-43,960.68-17,515.29

Finding the Fourth Proportional to 31,855.62, 43,960.68 and 17,515.29

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Solution

The fourth proportional to 31,855.62, 43,960.68 and 17,515.29 is: 24,171.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,855.62 : 43,960.68 = 17,515.29 : x
  2. Step 2: Convert to fraction form
    31,855.62/43,960.68 = 17,515.29/x
  3. Step 3: Cross multiply
    31,855.62x = 43,960.68 × 17,515.29
  4. Step 4: Simplify right side
    31,855.62x = 769,984,058.80
  5. Step 5: Solve for x
    x = 769,984,058.80/31,855.62
  6. Step 6: Final answer
    x = 24,171.06

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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.