Home / 31,310.07-43,207.90-17,162.61

Finding the Fourth Proportional to 31,310.07, 43,207.90 and 17,162.61

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Solution

The fourth proportional to 31,310.07, 43,207.90 and 17,162.61 is: 23,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,310.07 : 43,207.90 = 17,162.61 : x
  2. Step 2: Convert to fraction form
    31,310.07/43,207.90 = 17,162.61/x
  3. Step 3: Cross multiply
    31,310.07x = 43,207.90 × 17,162.61
  4. Step 4: Simplify right side
    31,310.07x = 741,560,293.71
  5. Step 5: Solve for x
    x = 741,560,293.71/31,310.07
  6. Step 6: Final answer
    x = 23,684.40

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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.