Home / 31,843.53-47,772.45-10,782.36

Finding the Fourth Proportional to 31,843.53, 47,772.45 and 10,782.36

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Solution

The fourth proportional to 31,843.53, 47,772.45 and 10,782.36 is: 16,175.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,843.53 : 47,772.45 = 10,782.36 : x
  2. Step 2: Convert to fraction form
    31,843.53/47,772.45 = 10,782.36/x
  3. Step 3: Cross multiply
    31,843.53x = 47,772.45 × 10,782.36
  4. Step 4: Simplify right side
    31,843.53x = 515,099,753.98
  5. Step 5: Solve for x
    x = 515,099,753.98/31,843.53
  6. Step 6: Final answer
    x = 16,175.96

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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.