Home / 31,936.56-47,862.39-16,940.59

Finding the Fourth Proportional to 31,936.56, 47,862.39 and 16,940.59

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Solution

The fourth proportional to 31,936.56, 47,862.39 and 16,940.59 is: 25,388.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,936.56 : 47,862.39 = 16,940.59 : x
  2. Step 2: Convert to fraction form
    31,936.56/47,862.39 = 16,940.59/x
  3. Step 3: Cross multiply
    31,936.56x = 47,862.39 × 16,940.59
  4. Step 4: Simplify right side
    31,936.56x = 810,817,125.41
  5. Step 5: Solve for x
    x = 810,817,125.41/31,936.56
  6. Step 6: Final answer
    x = 25,388.37

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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.