Home / 33,198.81-45,814.36-18,091.47

Finding the Fourth Proportional to 33,198.81, 45,814.36 and 18,091.47

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Solution

The fourth proportional to 33,198.81, 45,814.36 and 18,091.47 is: 24,966.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,198.81 : 45,814.36 = 18,091.47 : x
  2. Step 2: Convert to fraction form
    33,198.81/45,814.36 = 18,091.47/x
  3. Step 3: Cross multiply
    33,198.81x = 45,814.36 × 18,091.47
  4. Step 4: Simplify right side
    33,198.81x = 828,848,890.44
  5. Step 5: Solve for x
    x = 828,848,890.44/33,198.81
  6. Step 6: Final answer
    x = 24,966.22

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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.