Home / 33,005.52-45,540.48-20,909.52

Finding the Fourth Proportional to 33,005.52, 45,540.48 and 20,909.52

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Solution

The fourth proportional to 33,005.52, 45,540.48 and 20,909.52 is: 28,850.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,005.52 : 45,540.48 = 20,909.52 : x
  2. Step 2: Convert to fraction form
    33,005.52/45,540.48 = 20,909.52/x
  3. Step 3: Cross multiply
    33,005.52x = 45,540.48 × 20,909.52
  4. Step 4: Simplify right side
    33,005.52x = 952,229,577.37
  5. Step 5: Solve for x
    x = 952,229,577.37/33,005.52
  6. Step 6: Final answer
    x = 28,850.62

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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.