Home / 36,109.79-54,144.84-11,143.03

Finding the Fourth Proportional to 36,109.79, 54,144.84 and 11,143.03

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Solution

The fourth proportional to 36,109.79, 54,144.84 and 11,143.03 is: 16,708.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,109.79 : 54,144.84 = 11,143.03 : x
  2. Step 2: Convert to fraction form
    36,109.79/54,144.84 = 11,143.03/x
  3. Step 3: Cross multiply
    36,109.79x = 54,144.84 × 11,143.03
  4. Step 4: Simplify right side
    36,109.79x = 603,337,576.47
  5. Step 5: Solve for x
    x = 603,337,576.47/36,109.79
  6. Step 6: Final answer
    x = 16,708.42

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1.5x scale

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.