Home / 36,207.30-54,276.93-18,672.42

Finding the Fourth Proportional to 36,207.30, 54,276.93 and 18,672.42

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Solution

The fourth proportional to 36,207.30, 54,276.93 and 18,672.42 is: 27,991.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,207.30 : 54,276.93 = 18,672.42 : x
  2. Step 2: Convert to fraction form
    36,207.30/54,276.93 = 18,672.42/x
  3. Step 3: Cross multiply
    36,207.30x = 54,276.93 × 18,672.42
  4. Step 4: Simplify right side
    36,207.30x = 1,013,481,633.27
  5. Step 5: Solve for x
    x = 1,013,481,633.27/36,207.30
  6. Step 6: Final answer
    x = 27,991.09

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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.