Home / 33,027.98-45,580.84-18,687.79

Finding the Fourth Proportional to 33,027.98, 45,580.84 and 18,687.79

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Solution

The fourth proportional to 33,027.98, 45,580.84 and 18,687.79 is: 25,790.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,027.98 : 45,580.84 = 18,687.79 : x
  2. Step 2: Convert to fraction form
    33,027.98/45,580.84 = 18,687.79/x
  3. Step 3: Cross multiply
    33,027.98x = 45,580.84 × 18,687.79
  4. Step 4: Simplify right side
    33,027.98x = 851,805,176.20
  5. Step 5: Solve for x
    x = 851,805,176.20/33,027.98
  6. Step 6: Final answer
    x = 25,790.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.