Home / 31,941.82-47,871.21-17,133.44

Finding the Fourth Proportional to 31,941.82, 47,871.21 and 17,133.44

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Solution

The fourth proportional to 31,941.82, 47,871.21 and 17,133.44 is: 25,677.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,941.82 : 47,871.21 = 17,133.44 : x
  2. Step 2: Convert to fraction form
    31,941.82/47,871.21 = 17,133.44/x
  3. Step 3: Cross multiply
    31,941.82x = 47,871.21 × 17,133.44
  4. Step 4: Simplify right side
    31,941.82x = 820,198,312.15
  5. Step 5: Solve for x
    x = 820,198,312.15/31,941.82
  6. Step 6: Final answer
    x = 25,677.88

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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.