Home / 36,813.36-55,135.96-21,991.87

Finding the Fourth Proportional to 36,813.36, 55,135.96 and 21,991.87

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Solution

The fourth proportional to 36,813.36, 55,135.96 and 21,991.87 is: 32,937.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,813.36 : 55,135.96 = 21,991.87 : x
  2. Step 2: Convert to fraction form
    36,813.36/55,135.96 = 21,991.87/x
  3. Step 3: Cross multiply
    36,813.36x = 55,135.96 × 21,991.87
  4. Step 4: Simplify right side
    36,813.36x = 1,212,542,864.65
  5. Step 5: Solve for x
    x = 1,212,542,864.65/36,813.36
  6. Step 6: Final answer
    x = 32,937.58

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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.