Home / 41,161.20-61,806.60-30,145.20

Finding the Fourth Proportional to 41,161.20, 61,806.60 and 30,145.20

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Solution

The fourth proportional to 41,161.20, 61,806.60 and 30,145.20 is: 45,265.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,161.20 : 61,806.60 = 30,145.20 : x
  2. Step 2: Convert to fraction form
    41,161.20/61,806.60 = 30,145.20/x
  3. Step 3: Cross multiply
    41,161.20x = 61,806.60 × 30,145.20
  4. Step 4: Simplify right side
    41,161.20x = 1,863,172,318.32
  5. Step 5: Solve for x
    x = 1,863,172,318.32/41,161.20
  6. Step 6: Final answer
    x = 45,265.26

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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.