Home / 31,372.67-47,046.75-11,377.42

Finding the Fourth Proportional to 31,372.67, 47,046.75 and 11,377.42

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Solution

The fourth proportional to 31,372.67, 47,046.75 and 11,377.42 is: 17,061.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,372.67 : 47,046.75 = 11,377.42 : x
  2. Step 2: Convert to fraction form
    31,372.67/47,046.75 = 11,377.42/x
  3. Step 3: Cross multiply
    31,372.67x = 47,046.75 × 11,377.42
  4. Step 4: Simplify right side
    31,372.67x = 535,270,634.39
  5. Step 5: Solve for x
    x = 535,270,634.39/31,372.67
  6. Step 6: Final answer
    x = 17,061.69

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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.