Home / 41,211.60-61,796.70-20,153.28

Finding the Fourth Proportional to 41,211.60, 61,796.70 and 20,153.28

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Solution

The fourth proportional to 41,211.60, 61,796.70 and 20,153.28 is: 30,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,211.60 : 61,796.70 = 20,153.28 : x
  2. Step 2: Convert to fraction form
    41,211.60/61,796.70 = 20,153.28/x
  3. Step 3: Cross multiply
    41,211.60x = 61,796.70 × 20,153.28
  4. Step 4: Simplify right side
    41,211.60x = 1,245,406,198.18
  5. Step 5: Solve for x
    x = 1,245,406,198.18/41,211.60
  6. Step 6: Final answer
    x = 30,219.80

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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.