Home / 66,833.18-100,241.37-21,850.77

Finding the Fourth Proportional to 66,833.18, 100,241.37 and 21,850.77

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Solution

The fourth proportional to 66,833.18, 100,241.37 and 21,850.77 is: 32,773.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,833.18 : 100,241.37 = 21,850.77 : x
  2. Step 2: Convert to fraction form
    66,833.18/100,241.37 = 21,850.77/x
  3. Step 3: Cross multiply
    66,833.18x = 100,241.37 × 21,850.77
  4. Step 4: Simplify right side
    66,833.18x = 2,190,351,011.10
  5. Step 5: Solve for x
    x = 2,190,351,011.10/66,833.18
  6. Step 6: Final answer
    x = 32,773.41

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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.