Home / 49,857.12-74,766.24-18,675.36

Finding the Fourth Proportional to 49,857.12, 74,766.24 and 18,675.36

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Solution

The fourth proportional to 49,857.12, 74,766.24 and 18,675.36 is: 28,005.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,857.12 : 74,766.24 = 18,675.36 : x
  2. Step 2: Convert to fraction form
    49,857.12/74,766.24 = 18,675.36/x
  3. Step 3: Cross multiply
    49,857.12x = 74,766.24 × 18,675.36
  4. Step 4: Simplify right side
    49,857.12x = 1,396,286,447.85
  5. Step 5: Solve for x
    x = 1,396,286,447.85/49,857.12
  6. Step 6: Final answer
    x = 28,005.76

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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.