Home / 43,628.87-65,446.62-16,963.40

Finding the Fourth Proportional to 43,628.87, 65,446.62 and 16,963.40

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Solution

The fourth proportional to 43,628.87, 65,446.62 and 16,963.40 is: 25,446.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,628.87 : 65,446.62 = 16,963.40 : x
  2. Step 2: Convert to fraction form
    43,628.87/65,446.62 = 16,963.40/x
  3. Step 3: Cross multiply
    43,628.87x = 65,446.62 × 16,963.40
  4. Step 4: Simplify right side
    43,628.87x = 1,110,197,388.28
  5. Step 5: Solve for x
    x = 1,110,197,388.28/43,628.87
  6. Step 6: Final answer
    x = 25,446.39

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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.