Home / 43,291.43-64,940.84-15,209.04

Finding the Fourth Proportional to 43,291.43, 64,940.84 and 15,209.04

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Solution

The fourth proportional to 43,291.43, 64,940.84 and 15,209.04 is: 22,814.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,291.43 : 64,940.84 = 15,209.04 : x
  2. Step 2: Convert to fraction form
    43,291.43/64,940.84 = 15,209.04/x
  3. Step 3: Cross multiply
    43,291.43x = 64,940.84 × 15,209.04
  4. Step 4: Simplify right side
    43,291.43x = 987,687,757.15
  5. Step 5: Solve for x
    x = 987,687,757.15/43,291.43
  6. Step 6: Final answer
    x = 22,814.86

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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.