Home / 31,314.60-43,213.92-17,167.20

Finding the Fourth Proportional to 31,314.60, 43,213.92 and 17,167.20

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Solution

The fourth proportional to 31,314.60, 43,213.92 and 17,167.20 is: 23,690.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,314.60 : 43,213.92 = 17,167.20 : x
  2. Step 2: Convert to fraction form
    31,314.60/43,213.92 = 17,167.20/x
  3. Step 3: Cross multiply
    31,314.60x = 43,213.92 × 17,167.20
  4. Step 4: Simplify right side
    31,314.60x = 741,862,007.42
  5. Step 5: Solve for x
    x = 741,862,007.42/31,314.60
  6. Step 6: Final answer
    x = 23,690.61

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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.