Home / 31,433.36-43,376.22-17,286.21

Finding the Fourth Proportional to 31,433.36, 43,376.22 and 17,286.21

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Solution

The fourth proportional to 31,433.36, 43,376.22 and 17,286.21 is: 23,853.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,433.36 : 43,376.22 = 17,286.21 : x
  2. Step 2: Convert to fraction form
    31,433.36/43,376.22 = 17,286.21/x
  3. Step 3: Cross multiply
    31,433.36x = 43,376.22 × 17,286.21
  4. Step 4: Simplify right side
    31,433.36x = 749,810,447.93
  5. Step 5: Solve for x
    x = 749,810,447.93/31,433.36
  6. Step 6: Final answer
    x = 23,853.97

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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.