Home / 36,865.92-55,305.36-11,911.44

Finding the Fourth Proportional to 36,865.92, 55,305.36 and 11,911.44

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Solution

The fourth proportional to 36,865.92, 55,305.36 and 11,911.44 is: 17,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,865.92 : 55,305.36 = 11,911.44 : x
  2. Step 2: Convert to fraction form
    36,865.92/55,305.36 = 11,911.44/x
  3. Step 3: Cross multiply
    36,865.92x = 55,305.36 × 11,911.44
  4. Step 4: Simplify right side
    36,865.92x = 658,766,477.32
  5. Step 5: Solve for x
    x = 658,766,477.32/36,865.92
  6. Step 6: Final answer
    x = 17,869.25

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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.