Home / 31,310.24-43,207.72-17,163.08

Finding the Fourth Proportional to 31,310.24, 43,207.72 and 17,163.08

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Solution

The fourth proportional to 31,310.24, 43,207.72 and 17,163.08 is: 23,684.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,310.24 : 43,207.72 = 17,163.08 : x
  2. Step 2: Convert to fraction form
    31,310.24/43,207.72 = 17,163.08/x
  3. Step 3: Cross multiply
    31,310.24x = 43,207.72 × 17,163.08
  4. Step 4: Simplify right side
    31,310.24x = 741,577,554.98
  5. Step 5: Solve for x
    x = 741,577,554.98/31,310.24
  6. Step 6: Final answer
    x = 23,684.82

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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.