Home / 31,853.12-43,958.16-17,513.56

Finding the Fourth Proportional to 31,853.12, 43,958.16 and 17,513.56

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Solution

The fourth proportional to 31,853.12, 43,958.16 and 17,513.56 is: 24,169.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,853.12 : 43,958.16 = 17,513.56 : x
  2. Step 2: Convert to fraction form
    31,853.12/43,958.16 = 17,513.56/x
  3. Step 3: Cross multiply
    31,853.12x = 43,958.16 × 17,513.56
  4. Step 4: Simplify right side
    31,853.12x = 769,863,872.65
  5. Step 5: Solve for x
    x = 769,863,872.65/31,853.12
  6. Step 6: Final answer
    x = 24,169.18

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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.