Home / 31,986.82-47,910.66-26,377.30

Finding the Fourth Proportional to 31,986.82, 47,910.66 and 26,377.30

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Solution

The fourth proportional to 31,986.82, 47,910.66 and 26,377.30 is: 39,508.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,986.82 : 47,910.66 = 26,377.30 : x
  2. Step 2: Convert to fraction form
    31,986.82/47,910.66 = 26,377.30/x
  3. Step 3: Cross multiply
    31,986.82x = 47,910.66 × 26,377.30
  4. Step 4: Simplify right side
    31,986.82x = 1,263,753,852.02
  5. Step 5: Solve for x
    x = 1,263,753,852.02/31,986.82
  6. Step 6: Final answer
    x = 39,508.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.