Home / 31,365.38-43,284.16-17,217.92

Finding the Fourth Proportional to 31,365.38, 43,284.16 and 17,217.92

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Solution

The fourth proportional to 31,365.38, 43,284.16 and 17,217.92 is: 23,760.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,365.38 : 43,284.16 = 17,217.92 : x
  2. Step 2: Convert to fraction form
    31,365.38/43,284.16 = 17,217.92/x
  3. Step 3: Cross multiply
    31,365.38x = 43,284.16 × 17,217.92
  4. Step 4: Simplify right side
    31,365.38x = 745,263,204.15
  5. Step 5: Solve for x
    x = 745,263,204.15/31,365.38
  6. Step 6: Final answer
    x = 23,760.69

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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.