Home / 31,579.56-47,355.82-11,844.44

Finding the Fourth Proportional to 31,579.56, 47,355.82 and 11,844.44

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Solution

The fourth proportional to 31,579.56, 47,355.82 and 11,844.44 is: 17,761.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,579.56 : 47,355.82 = 11,844.44 : x
  2. Step 2: Convert to fraction form
    31,579.56/47,355.82 = 11,844.44/x
  3. Step 3: Cross multiply
    31,579.56x = 47,355.82 × 11,844.44
  4. Step 4: Simplify right side
    31,579.56x = 560,903,168.64
  5. Step 5: Solve for x
    x = 560,903,168.64/31,579.56
  6. Step 6: Final answer
    x = 17,761.59

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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.