Home / 31,963.20-47,952.48-12,241.44

Finding the Fourth Proportional to 31,963.20, 47,952.48 and 12,241.44

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Solution

The fourth proportional to 31,963.20, 47,952.48 and 12,241.44 is: 18,365.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,963.20 : 47,952.48 = 12,241.44 : x
  2. Step 2: Convert to fraction form
    31,963.20/47,952.48 = 12,241.44/x
  3. Step 3: Cross multiply
    31,963.20x = 47,952.48 × 12,241.44
  4. Step 4: Simplify right side
    31,963.20x = 587,007,406.77
  5. Step 5: Solve for x
    x = 587,007,406.77/31,963.20
  6. Step 6: Final answer
    x = 18,365.10

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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.