Home / 41,164.20-61,811.10-30,148.20

Finding the Fourth Proportional to 41,164.20, 61,811.10 and 30,148.20

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Solution

The fourth proportional to 41,164.20, 61,811.10 and 30,148.20 is: 45,269.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,164.20 : 61,811.10 = 30,148.20 : x
  2. Step 2: Convert to fraction form
    41,164.20/61,811.10 = 30,148.20/x
  3. Step 3: Cross multiply
    41,164.20x = 61,811.10 × 30,148.20
  4. Step 4: Simplify right side
    41,164.20x = 1,863,493,405.02
  5. Step 5: Solve for x
    x = 1,863,493,405.02/41,164.20
  6. Step 6: Final answer
    x = 45,269.76

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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.