Home / 45,163.36-67,733.70-20,189.44

Finding the Fourth Proportional to 45,163.36, 67,733.70 and 20,189.44

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Solution

The fourth proportional to 45,163.36, 67,733.70 and 20,189.44 is: 30,279.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,163.36 : 67,733.70 = 20,189.44 : x
  2. Step 2: Convert to fraction form
    45,163.36/67,733.70 = 20,189.44/x
  3. Step 3: Cross multiply
    45,163.36x = 67,733.70 × 20,189.44
  4. Step 4: Simplify right side
    45,163.36x = 1,367,505,472.13
  5. Step 5: Solve for x
    x = 1,367,505,472.13/45,163.36
  6. Step 6: Final answer
    x = 30,279.09

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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.