Home / 33,005.75-45,550.82-18,104.63

Finding the Fourth Proportional to 33,005.75, 45,550.82 and 18,104.63

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Solution

The fourth proportional to 33,005.75, 45,550.82 and 18,104.63 is: 24,985.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,005.75 : 45,550.82 = 18,104.63 : x
  2. Step 2: Convert to fraction form
    33,005.75/45,550.82 = 18,104.63/x
  3. Step 3: Cross multiply
    33,005.75x = 45,550.82 × 18,104.63
  4. Step 4: Simplify right side
    33,005.75x = 824,680,651.77
  5. Step 5: Solve for x
    x = 824,680,651.77/33,005.75
  6. Step 6: Final answer
    x = 24,985.97

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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.