Home / 49,857.73-74,800.67-20,296.78

Finding the Fourth Proportional to 49,857.73, 74,800.67 and 20,296.78

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Solution

The fourth proportional to 49,857.73, 74,800.67 and 20,296.78 is: 30,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,857.73 : 74,800.67 = 20,296.78 : x
  2. Step 2: Convert to fraction form
    49,857.73/74,800.67 = 20,296.78/x
  3. Step 3: Cross multiply
    49,857.73x = 74,800.67 × 20,296.78
  4. Step 4: Simplify right side
    49,857.73x = 1,518,212,454.36
  5. Step 5: Solve for x
    x = 1,518,212,454.36/49,857.73
  6. Step 6: Final answer
    x = 30,450.90

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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.