Home / 43,522.20-65,207.70-20,100.60

Finding the Fourth Proportional to 43,522.20, 65,207.70 and 20,100.60

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Solution

The fourth proportional to 43,522.20, 65,207.70 and 20,100.60 is: 30,115.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,522.20 : 65,207.70 = 20,100.60 : x
  2. Step 2: Convert to fraction form
    43,522.20/65,207.70 = 20,100.60/x
  3. Step 3: Cross multiply
    43,522.20x = 65,207.70 × 20,100.60
  4. Step 4: Simplify right side
    43,522.20x = 1,310,713,894.62
  5. Step 5: Solve for x
    x = 1,310,713,894.62/43,522.20
  6. Step 6: Final answer
    x = 30,115.98

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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.