Home / 40,863.87-61,299.33-11,281.71

Finding the Fourth Proportional to 40,863.87, 61,299.33 and 11,281.71

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Solution

The fourth proportional to 40,863.87, 61,299.33 and 11,281.71 is: 16,923.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,863.87 : 61,299.33 = 11,281.71 : x
  2. Step 2: Convert to fraction form
    40,863.87/61,299.33 = 11,281.71/x
  3. Step 3: Cross multiply
    40,863.87x = 61,299.33 × 11,281.71
  4. Step 4: Simplify right side
    40,863.87x = 691,561,264.25
  5. Step 5: Solve for x
    x = 691,561,264.25/40,863.87
  6. Step 6: Final answer
    x = 16,923.54

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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.