Home / 31,486.62-43,456.26-23,920.50

Finding the Fourth Proportional to 31,486.62, 43,456.26 and 23,920.50

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Solution

The fourth proportional to 31,486.62, 43,456.26 and 23,920.50 is: 33,013.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,486.62 : 43,456.26 = 23,920.50 : x
  2. Step 2: Convert to fraction form
    31,486.62/43,456.26 = 23,920.50/x
  3. Step 3: Cross multiply
    31,486.62x = 43,456.26 × 23,920.50
  4. Step 4: Simplify right side
    31,486.62x = 1,039,495,467.33
  5. Step 5: Solve for x
    x = 1,039,495,467.33/31,486.62
  6. Step 6: Final answer
    x = 33,013.88

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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.