Home / 36,648.50-54,969.99-11,687.54

Finding the Fourth Proportional to 36,648.50, 54,969.99 and 11,687.54

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Solution

The fourth proportional to 36,648.50, 54,969.99 and 11,687.54 is: 17,530.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,648.50 : 54,969.99 = 11,687.54 : x
  2. Step 2: Convert to fraction form
    36,648.50/54,969.99 = 11,687.54/x
  3. Step 3: Cross multiply
    36,648.50x = 54,969.99 × 11,687.54
  4. Step 4: Simplify right side
    36,648.50x = 642,463,956.92
  5. Step 5: Solve for x
    x = 642,463,956.92/36,648.50
  6. Step 6: Final answer
    x = 17,530.43

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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.