Home / 66,832.67-100,240.62-21,850.27

Finding the Fourth Proportional to 66,832.67, 100,240.62 and 21,850.27

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Solution

The fourth proportional to 66,832.67, 100,240.62 and 21,850.27 is: 32,772.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,832.67 : 100,240.62 = 21,850.27 : x
  2. Step 2: Convert to fraction form
    66,832.67/100,240.62 = 21,850.27/x
  3. Step 3: Cross multiply
    66,832.67x = 100,240.62 × 21,850.27
  4. Step 4: Simplify right side
    66,832.67x = 2,190,284,279.43
  5. Step 5: Solve for x
    x = 2,190,284,279.43/66,832.67
  6. Step 6: Final answer
    x = 32,772.66

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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.