Home / 49,405.34-74,121.89-19,843.94

Finding the Fourth Proportional to 49,405.34, 74,121.89 and 19,843.94

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Solution

The fourth proportional to 49,405.34, 74,121.89 and 19,843.94 is: 29,771.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,405.34 : 74,121.89 = 19,843.94 : x
  2. Step 2: Convert to fraction form
    49,405.34/74,121.89 = 19,843.94/x
  3. Step 3: Cross multiply
    49,405.34x = 74,121.89 × 19,843.94
  4. Step 4: Simplify right side
    49,405.34x = 1,470,869,868.02
  5. Step 5: Solve for x
    x = 1,470,869,868.02/49,405.34
  6. Step 6: Final answer
    x = 29,771.48

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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.