Home / 36,129.70-54,202.77-19,489.36

Finding the Fourth Proportional to 36,129.70, 54,202.77 and 19,489.36

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Solution

The fourth proportional to 36,129.70, 54,202.77 and 19,489.36 is: 29,238.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,129.70 : 54,202.77 = 19,489.36 : x
  2. Step 2: Convert to fraction form
    36,129.70/54,202.77 = 19,489.36/x
  3. Step 3: Cross multiply
    36,129.70x = 54,202.77 × 19,489.36
  4. Step 4: Simplify right side
    36,129.70x = 1,056,377,263.65
  5. Step 5: Solve for x
    x = 1,056,377,263.65/36,129.70
  6. Step 6: Final answer
    x = 29,238.48

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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.