Home / 31,517.94-43,494.66-17,370.78

Finding the Fourth Proportional to 31,517.94, 43,494.66 and 17,370.78

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Solution

The fourth proportional to 31,517.94, 43,494.66 and 17,370.78 is: 23,971.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,517.94 : 43,494.66 = 17,370.78 : x
  2. Step 2: Convert to fraction form
    31,517.94/43,494.66 = 17,370.78/x
  3. Step 3: Cross multiply
    31,517.94x = 43,494.66 × 17,370.78
  4. Step 4: Simplify right side
    31,517.94x = 755,536,170.03
  5. Step 5: Solve for x
    x = 755,536,170.03/31,517.94
  6. Step 6: Final answer
    x = 23,971.62

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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.