Home / 29,121.62-43,608.32-19,246.10

Finding the Fourth Proportional to 29,121.62, 43,608.32 and 19,246.10

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Solution

The fourth proportional to 29,121.62, 43,608.32 and 19,246.10 is: 28,820.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121.62 : 43,608.32 = 19,246.10 : x
  2. Step 2: Convert to fraction form
    29,121.62/43,608.32 = 19,246.10/x
  3. Step 3: Cross multiply
    29,121.62x = 43,608.32 × 19,246.10
  4. Step 4: Simplify right side
    29,121.62x = 839,289,991.32
  5. Step 5: Solve for x
    x = 839,289,991.32/29,121.62
  6. Step 6: Final answer
    x = 28,820.17

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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.