Home / 40,813.23-61,238.68-18,633.41

Finding the Fourth Proportional to 40,813.23, 61,238.68 and 18,633.41

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Solution

The fourth proportional to 40,813.23, 61,238.68 and 18,633.41 is: 27,958.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,813.23 : 61,238.68 = 18,633.41 : x
  2. Step 2: Convert to fraction form
    40,813.23/61,238.68 = 18,633.41/x
  3. Step 3: Cross multiply
    40,813.23x = 61,238.68 × 18,633.41
  4. Step 4: Simplify right side
    40,813.23x = 1,141,085,432.30
  5. Step 5: Solve for x
    x = 1,141,085,432.30/40,813.23
  6. Step 6: Final answer
    x = 27,958.71

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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.