Home / 23,906.96-35,802-20,641.04

Finding the Fourth Proportional to 23,906.96, 35,802 and 20,641.04

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Solution

The fourth proportional to 23,906.96, 35,802 and 20,641.04 is: 30,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,906.96 : 35,802 = 20,641.04 : x
  2. Step 2: Convert to fraction form
    23,906.96/35,802 = 20,641.04/x
  3. Step 3: Cross multiply
    23,906.96x = 35,802 × 20,641.04
  4. Step 4: Simplify right side
    23,906.96x = 738,990,514.08
  5. Step 5: Solve for x
    x = 738,990,514.08/23,906.96
  6. Step 6: Final answer
    x = 30,911.10

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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.