Home / 55,544.12-83,324.09-20,481.05

Finding the Fourth Proportional to 55,544.12, 83,324.09 and 20,481.05

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Solution

The fourth proportional to 55,544.12, 83,324.09 and 20,481.05 is: 30,724.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,544.12 : 83,324.09 = 20,481.05 : x
  2. Step 2: Convert to fraction form
    55,544.12/83,324.09 = 20,481.05/x
  3. Step 3: Cross multiply
    55,544.12x = 83,324.09 × 20,481.05
  4. Step 4: Simplify right side
    55,544.12x = 1,706,564,853.49
  5. Step 5: Solve for x
    x = 1,706,564,853.49/55,544.12
  6. Step 6: Final answer
    x = 30,724.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.