Home / 31,973.70-47,974.35-17,165.31

Finding the Fourth Proportional to 31,973.70, 47,974.35 and 17,165.31

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Solution

The fourth proportional to 31,973.70, 47,974.35 and 17,165.31 is: 25,755.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,973.70 : 47,974.35 = 17,165.31 : x
  2. Step 2: Convert to fraction form
    31,973.70/47,974.35 = 17,165.31/x
  3. Step 3: Cross multiply
    31,973.70x = 47,974.35 × 17,165.31
  4. Step 4: Simplify right side
    31,973.70x = 823,494,589.80
  5. Step 5: Solve for x
    x = 823,494,589.80/31,973.70
  6. Step 6: Final answer
    x = 25,755.37

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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.