Home / 31,467.98-47,231.14-15,896.54

Finding the Fourth Proportional to 31,467.98, 47,231.14 and 15,896.54

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Solution

The fourth proportional to 31,467.98, 47,231.14 and 15,896.54 is: 23,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,467.98 : 47,231.14 = 15,896.54 : x
  2. Step 2: Convert to fraction form
    31,467.98/47,231.14 = 15,896.54/x
  3. Step 3: Cross multiply
    31,467.98x = 47,231.14 × 15,896.54
  4. Step 4: Simplify right side
    31,467.98x = 750,811,706.26
  5. Step 5: Solve for x
    x = 750,811,706.26/31,467.98
  6. Step 6: Final answer
    x = 23,859.55

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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.