Home / 52,211.11-71,996.87-30,986.27

Finding the Fourth Proportional to 52,211.11, 71,996.87 and 30,986.27

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Solution

The fourth proportional to 52,211.11, 71,996.87 and 30,986.27 is: 42,728.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,211.11 : 71,996.87 = 30,986.27 : x
  2. Step 2: Convert to fraction form
    52,211.11/71,996.87 = 30,986.27/x
  3. Step 3: Cross multiply
    52,211.11x = 71,996.87 × 30,986.27
  4. Step 4: Simplify right side
    52,211.11x = 2,230,914,478.04
  5. Step 5: Solve for x
    x = 2,230,914,478.04/52,211.11
  6. Step 6: Final answer
    x = 42,728.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.