Home / 36,138.78-54,212.94-16,148.43

Finding the Fourth Proportional to 36,138.78, 54,212.94 and 16,148.43

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Solution

The fourth proportional to 36,138.78, 54,212.94 and 16,148.43 is: 24,224.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,138.78 : 54,212.94 = 16,148.43 : x
  2. Step 2: Convert to fraction form
    36,138.78/54,212.94 = 16,148.43/x
  3. Step 3: Cross multiply
    36,138.78x = 54,212.94 × 16,148.43
  4. Step 4: Simplify right side
    36,138.78x = 875,453,866.68
  5. Step 5: Solve for x
    x = 875,453,866.68/36,138.78
  6. Step 6: Final answer
    x = 24,224.78

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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.