Home / 53,976.38-80,971.25-18,441.27

Finding the Fourth Proportional to 53,976.38, 80,971.25 and 18,441.27

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Solution

The fourth proportional to 53,976.38, 80,971.25 and 18,441.27 is: 27,664.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,976.38 : 80,971.25 = 18,441.27 : x
  2. Step 2: Convert to fraction form
    53,976.38/80,971.25 = 18,441.27/x
  3. Step 3: Cross multiply
    53,976.38x = 80,971.25 × 18,441.27
  4. Step 4: Simplify right side
    53,976.38x = 1,493,212,591.28
  5. Step 5: Solve for x
    x = 1,493,212,591.28/53,976.38
  6. Step 6: Final answer
    x = 27,664.19

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1.5x scale

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.