Home / 49,405.35-74,121.87-19,843.92

Finding the Fourth Proportional to 49,405.35, 74,121.87 and 19,843.92

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Solution

The fourth proportional to 49,405.35, 74,121.87 and 19,843.92 is: 29,771.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,405.35 : 74,121.87 = 19,843.92 : x
  2. Step 2: Convert to fraction form
    49,405.35/74,121.87 = 19,843.92/x
  3. Step 3: Cross multiply
    49,405.35x = 74,121.87 × 19,843.92
  4. Step 4: Simplify right side
    49,405.35x = 1,470,868,458.53
  5. Step 5: Solve for x
    x = 1,470,868,458.53/49,405.35
  6. Step 6: Final answer
    x = 29,771.44

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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.