Home / 31,709.82-47,550.96-16,915.44

Finding the Fourth Proportional to 31,709.82, 47,550.96 and 16,915.44

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Solution

The fourth proportional to 31,709.82, 47,550.96 and 16,915.44 is: 25,365.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,709.82 : 47,550.96 = 16,915.44 : x
  2. Step 2: Convert to fraction form
    31,709.82/47,550.96 = 16,915.44/x
  3. Step 3: Cross multiply
    31,709.82x = 47,550.96 × 16,915.44
  4. Step 4: Simplify right side
    31,709.82x = 804,345,410.82
  5. Step 5: Solve for x
    x = 804,345,410.82/31,709.82
  6. Step 6: Final answer
    x = 25,365.81

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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.