Home / 31,973.57-47,974.17-17,165.20

Finding the Fourth Proportional to 31,973.57, 47,974.17 and 17,165.20

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Solution

The fourth proportional to 31,973.57, 47,974.17 and 17,165.20 is: 25,755.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,973.57 : 47,974.17 = 17,165.20 : x
  2. Step 2: Convert to fraction form
    31,973.57/47,974.17 = 17,165.20/x
  3. Step 3: Cross multiply
    31,973.57x = 47,974.17 × 17,165.20
  4. Step 4: Simplify right side
    31,973.57x = 823,486,222.88
  5. Step 5: Solve for x
    x = 823,486,222.88/31,973.57
  6. Step 6: Final answer
    x = 25,755.22

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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.