Home / 31,394.39-47,072.01-14,747.27

Finding the Fourth Proportional to 31,394.39, 47,072.01 and 14,747.27

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Solution

The fourth proportional to 31,394.39, 47,072.01 and 14,747.27 is: 22,111.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,394.39 : 47,072.01 = 14,747.27 : x
  2. Step 2: Convert to fraction form
    31,394.39/47,072.01 = 14,747.27/x
  3. Step 3: Cross multiply
    31,394.39x = 47,072.01 × 14,747.27
  4. Step 4: Simplify right side
    31,394.39x = 694,183,640.91
  5. Step 5: Solve for x
    x = 694,183,640.91/31,394.39
  6. Step 6: Final answer
    x = 22,111.71

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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.