Home / 33,005.20-45,542.98-18,858.96

Finding the Fourth Proportional to 33,005.20, 45,542.98 and 18,858.96

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Solution

The fourth proportional to 33,005.20, 45,542.98 and 18,858.96 is: 26,022.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,005.20 : 45,542.98 = 18,858.96 : x
  2. Step 2: Convert to fraction form
    33,005.20/45,542.98 = 18,858.96/x
  3. Step 3: Cross multiply
    33,005.20x = 45,542.98 × 18,858.96
  4. Step 4: Simplify right side
    33,005.20x = 858,893,238.10
  5. Step 5: Solve for x
    x = 858,893,238.10/33,005.20
  6. Step 6: Final answer
    x = 26,022.97

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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.