Home / 41,022.11-61,539.28-12,939.21

Finding the Fourth Proportional to 41,022.11, 61,539.28 and 12,939.21

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Solution

The fourth proportional to 41,022.11, 61,539.28 and 12,939.21 is: 19,410.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,022.11 : 61,539.28 = 12,939.21 : x
  2. Step 2: Convert to fraction form
    41,022.11/61,539.28 = 12,939.21/x
  3. Step 3: Cross multiply
    41,022.11x = 61,539.28 × 12,939.21
  4. Step 4: Simplify right side
    41,022.11x = 796,269,634.82
  5. Step 5: Solve for x
    x = 796,269,634.82/41,022.11
  6. Step 6: Final answer
    x = 19,410.74

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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.