Home / 55,857.88-83,768.92-18,409.56

Finding the Fourth Proportional to 55,857.88, 83,768.92 and 18,409.56

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Solution

The fourth proportional to 55,857.88, 83,768.92 and 18,409.56 is: 27,608.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,857.88 : 83,768.92 = 18,409.56 : x
  2. Step 2: Convert to fraction form
    55,857.88/83,768.92 = 18,409.56/x
  3. Step 3: Cross multiply
    55,857.88x = 83,768.92 × 18,409.56
  4. Step 4: Simplify right side
    55,857.88x = 1,542,148,958.88
  5. Step 5: Solve for x
    x = 1,542,148,958.88/55,857.88
  6. Step 6: Final answer
    x = 27,608.44

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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.