Home / 41,143.21-61,668.14-18,910.64

Finding the Fourth Proportional to 41,143.21, 61,668.14 and 18,910.64

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Solution

The fourth proportional to 41,143.21, 61,668.14 and 18,910.64 is: 28,344.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,143.21 : 61,668.14 = 18,910.64 : x
  2. Step 2: Convert to fraction form
    41,143.21/61,668.14 = 18,910.64/x
  3. Step 3: Cross multiply
    41,143.21x = 61,668.14 × 18,910.64
  4. Step 4: Simplify right side
    41,143.21x = 1,166,183,995.01
  5. Step 5: Solve for x
    x = 1,166,183,995.01/41,143.21
  6. Step 6: Final answer
    x = 28,344.51

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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.