Home / 31,580.82-47,371.23-9,394.51

Finding the Fourth Proportional to 31,580.82, 47,371.23 and 9,394.51

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Solution

The fourth proportional to 31,580.82, 47,371.23 and 9,394.51 is: 14,091.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,580.82 : 47,371.23 = 9,394.51 : x
  2. Step 2: Convert to fraction form
    31,580.82/47,371.23 = 9,394.51/x
  3. Step 3: Cross multiply
    31,580.82x = 47,371.23 × 9,394.51
  4. Step 4: Simplify right side
    31,580.82x = 445,029,493.95
  5. Step 5: Solve for x
    x = 445,029,493.95/31,580.82
  6. Step 6: Final answer
    x = 14,091.77

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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.