Home / 31,704.73-43,760.39-18,284.04

Finding the Fourth Proportional to 31,704.73, 43,760.39 and 18,284.04

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Solution

The fourth proportional to 31,704.73, 43,760.39 and 18,284.04 is: 25,236.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,704.73 : 43,760.39 = 18,284.04 : x
  2. Step 2: Convert to fraction form
    31,704.73/43,760.39 = 18,284.04/x
  3. Step 3: Cross multiply
    31,704.73x = 43,760.39 × 18,284.04
  4. Step 4: Simplify right side
    31,704.73x = 800,116,629.76
  5. Step 5: Solve for x
    x = 800,116,629.76/31,704.73
  6. Step 6: Final answer
    x = 25,236.51

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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.