Home / 31,581.56-47,358.82-11,846.44

Finding the Fourth Proportional to 31,581.56, 47,358.82 and 11,846.44

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Solution

The fourth proportional to 31,581.56, 47,358.82 and 11,846.44 is: 17,764.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,581.56 : 47,358.82 = 11,846.44 : x
  2. Step 2: Convert to fraction form
    31,581.56/47,358.82 = 11,846.44/x
  3. Step 3: Cross multiply
    31,581.56x = 47,358.82 × 11,846.44
  4. Step 4: Simplify right side
    31,581.56x = 561,033,419.60
  5. Step 5: Solve for x
    x = 561,033,419.60/31,581.56
  6. Step 6: Final answer
    x = 17,764.59

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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.