Home / 41,143.41-61,668.45-18,910.85

Finding the Fourth Proportional to 41,143.41, 61,668.45 and 18,910.85

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Solution

The fourth proportional to 41,143.41, 61,668.45 and 18,910.85 is: 28,344.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,143.41 : 61,668.45 = 18,910.85 : x
  2. Step 2: Convert to fraction form
    41,143.41/61,668.45 = 18,910.85/x
  3. Step 3: Cross multiply
    41,143.41x = 61,668.45 × 18,910.85
  4. Step 4: Simplify right side
    41,143.41x = 1,166,202,499.34
  5. Step 5: Solve for x
    x = 1,166,202,499.34/41,143.41
  6. Step 6: Final answer
    x = 28,344.82

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1.5x scale

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.