Home / 54,224.67-81,321.36-18,684.54

Finding the Fourth Proportional to 54,224.67, 81,321.36 and 18,684.54

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Solution

The fourth proportional to 54,224.67, 81,321.36 and 18,684.54 is: 28,021.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,224.67 : 81,321.36 = 18,684.54 : x
  2. Step 2: Convert to fraction form
    54,224.67/81,321.36 = 18,684.54/x
  3. Step 3: Cross multiply
    54,224.67x = 81,321.36 × 18,684.54
  4. Step 4: Simplify right side
    54,224.67x = 1,519,452,203.77
  5. Step 5: Solve for x
    x = 1,519,452,203.77/54,224.67
  6. Step 6: Final answer
    x = 28,021.42

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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.