Home / 31,972.07-47,971.92-17,163.69

Finding the Fourth Proportional to 31,972.07, 47,971.92 and 17,163.69

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Solution

The fourth proportional to 31,972.07, 47,971.92 and 17,163.69 is: 25,752.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,972.07 : 47,971.92 = 17,163.69 : x
  2. Step 2: Convert to fraction form
    31,972.07/47,971.92 = 17,163.69/x
  3. Step 3: Cross multiply
    31,972.07x = 47,971.92 × 17,163.69
  4. Step 4: Simplify right side
    31,972.07x = 823,375,283.51
  5. Step 5: Solve for x
    x = 823,375,283.51/31,972.07
  6. Step 6: Final answer
    x = 25,752.96

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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.