Home / 33,138.26-45,730.80-18,234.26

Finding the Fourth Proportional to 33,138.26, 45,730.80 and 18,234.26

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Solution

The fourth proportional to 33,138.26, 45,730.80 and 18,234.26 is: 25,163.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,138.26 : 45,730.80 = 18,234.26 : x
  2. Step 2: Convert to fraction form
    33,138.26/45,730.80 = 18,234.26/x
  3. Step 3: Cross multiply
    33,138.26x = 45,730.80 × 18,234.26
  4. Step 4: Simplify right side
    33,138.26x = 833,867,297.21
  5. Step 5: Solve for x
    x = 833,867,297.21/33,138.26
  6. Step 6: Final answer
    x = 25,163.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.