Home / 36,910.43-55,352.01-13,211.56

Finding the Fourth Proportional to 36,910.43, 55,352.01 and 13,211.56

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Solution

The fourth proportional to 36,910.43, 55,352.01 and 13,211.56 is: 19,812.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,910.43 : 55,352.01 = 13,211.56 : x
  2. Step 2: Convert to fraction form
    36,910.43/55,352.01 = 13,211.56/x
  3. Step 3: Cross multiply
    36,910.43x = 55,352.01 × 13,211.56
  4. Step 4: Simplify right side
    36,910.43x = 731,286,134.30
  5. Step 5: Solve for x
    x = 731,286,134.30/36,910.43
  6. Step 6: Final answer
    x = 19,812.45

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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.