Home / 67,046.34-100,591.36-31,981.44

Finding the Fourth Proportional to 67,046.34, 100,591.36 and 31,981.44

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Solution

The fourth proportional to 67,046.34, 100,591.36 and 31,981.44 is: 47,982.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,046.34 : 100,591.36 = 31,981.44 : x
  2. Step 2: Convert to fraction form
    67,046.34/100,591.36 = 31,981.44/x
  3. Step 3: Cross multiply
    67,046.34x = 100,591.36 × 31,981.44
  4. Step 4: Simplify right side
    67,046.34x = 3,217,056,544.36
  5. Step 5: Solve for x
    x = 3,217,056,544.36/67,046.34
  6. Step 6: Final answer
    x = 47,982.58

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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.