Home / 33,019.96-45,516.98-20,249.46

Finding the Fourth Proportional to 33,019.96, 45,516.98 and 20,249.46

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Solution

The fourth proportional to 33,019.96, 45,516.98 and 20,249.46 is: 27,913.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,019.96 : 45,516.98 = 20,249.46 : x
  2. Step 2: Convert to fraction form
    33,019.96/45,516.98 = 20,249.46/x
  3. Step 3: Cross multiply
    33,019.96x = 45,516.98 × 20,249.46
  4. Step 4: Simplify right side
    33,019.96x = 921,694,265.83
  5. Step 5: Solve for x
    x = 921,694,265.83/33,019.96
  6. Step 6: Final answer
    x = 27,913.25

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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.