Home / 31,664.97-43,702.38-19,732.14

Finding the Fourth Proportional to 31,664.97, 43,702.38 and 19,732.14

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Solution

The fourth proportional to 31,664.97, 43,702.38 and 19,732.14 is: 27,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,664.97 : 43,702.38 = 19,732.14 : x
  2. Step 2: Convert to fraction form
    31,664.97/43,702.38 = 19,732.14/x
  3. Step 3: Cross multiply
    31,664.97x = 43,702.38 × 19,732.14
  4. Step 4: Simplify right side
    31,664.97x = 862,341,480.49
  5. Step 5: Solve for x
    x = 862,341,480.49/31,664.97
  6. Step 6: Final answer
    x = 27,233.30

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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.