Home / 31,893.38-47,825.49-11,112.02

Finding the Fourth Proportional to 31,893.38, 47,825.49 and 11,112.02

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Solution

The fourth proportional to 31,893.38, 47,825.49 and 11,112.02 is: 16,662.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,893.38 : 47,825.49 = 11,112.02 : x
  2. Step 2: Convert to fraction form
    31,893.38/47,825.49 = 11,112.02/x
  3. Step 3: Cross multiply
    31,893.38x = 47,825.49 × 11,112.02
  4. Step 4: Simplify right side
    31,893.38x = 531,437,801.39
  5. Step 5: Solve for x
    x = 531,437,801.39/31,893.38
  6. Step 6: Final answer
    x = 16,662.95

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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.