Home / 36,418.31-54,632.84-18,659.01

Finding the Fourth Proportional to 36,418.31, 54,632.84 and 18,659.01

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Solution

The fourth proportional to 36,418.31, 54,632.84 and 18,659.01 is: 27,991.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,418.31 : 54,632.84 = 18,659.01 : x
  2. Step 2: Convert to fraction form
    36,418.31/54,632.84 = 18,659.01/x
  3. Step 3: Cross multiply
    36,418.31x = 54,632.84 × 18,659.01
  4. Step 4: Simplify right side
    36,418.31x = 1,019,394,614.59
  5. Step 5: Solve for x
    x = 1,019,394,614.59/36,418.31
  6. Step 6: Final answer
    x = 27,991.27

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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.