Home / 31,965.88-47,949.27-12,245.44

Finding the Fourth Proportional to 31,965.88, 47,949.27 and 12,245.44

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Solution

The fourth proportional to 31,965.88, 47,949.27 and 12,245.44 is: 18,368.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,965.88 : 47,949.27 = 12,245.44 : x
  2. Step 2: Convert to fraction form
    31,965.88/47,949.27 = 12,245.44/x
  3. Step 3: Cross multiply
    31,965.88x = 47,949.27 × 12,245.44
  4. Step 4: Simplify right side
    31,965.88x = 587,159,908.83
  5. Step 5: Solve for x
    x = 587,159,908.83/31,965.88
  6. Step 6: Final answer
    x = 18,368.33

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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.