Home / 36,965.22-55,469.79-13,608.06

Finding the Fourth Proportional to 36,965.22, 55,469.79 and 13,608.06

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Solution

The fourth proportional to 36,965.22, 55,469.79 and 13,608.06 is: 20,420.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,965.22 : 55,469.79 = 13,608.06 : x
  2. Step 2: Convert to fraction form
    36,965.22/55,469.79 = 13,608.06/x
  3. Step 3: Cross multiply
    36,965.22x = 55,469.79 × 13,608.06
  4. Step 4: Simplify right side
    36,965.22x = 754,836,230.51
  5. Step 5: Solve for x
    x = 754,836,230.51/36,965.22
  6. Step 6: Final answer
    x = 20,420.17

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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.