Home / 31,554.72-47,318.27-11,819.44

Finding the Fourth Proportional to 31,554.72, 47,318.27 and 11,819.44

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Solution

The fourth proportional to 31,554.72, 47,318.27 and 11,819.44 is: 17,723.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,554.72 : 47,318.27 = 11,819.44 : x
  2. Step 2: Convert to fraction form
    31,554.72/47,318.27 = 11,819.44/x
  3. Step 3: Cross multiply
    31,554.72x = 47,318.27 × 11,819.44
  4. Step 4: Simplify right side
    31,554.72x = 559,275,453.17
  5. Step 5: Solve for x
    x = 559,275,453.17/31,554.72
  6. Step 6: Final answer
    x = 17,723.99

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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.