Home / 23,231.36-34,855.68-10,078.72

Finding the Fourth Proportional to 23,231.36, 34,855.68 and 10,078.72

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Solution

The fourth proportional to 23,231.36, 34,855.68 and 10,078.72 is: 15,121.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,231.36 : 34,855.68 = 10,078.72 : x
  2. Step 2: Convert to fraction form
    23,231.36/34,855.68 = 10,078.72/x
  3. Step 3: Cross multiply
    23,231.36x = 34,855.68 × 10,078.72
  4. Step 4: Simplify right side
    23,231.36x = 351,300,639.13
  5. Step 5: Solve for x
    x = 351,300,639.13/23,231.36
  6. Step 6: Final answer
    x = 15,121.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.