Home / 54,820.08-82,231.68-17,380.32

Finding the Fourth Proportional to 54,820.08, 82,231.68 and 17,380.32

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Solution

The fourth proportional to 54,820.08, 82,231.68 and 17,380.32 is: 26,070.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,820.08 : 82,231.68 = 17,380.32 : x
  2. Step 2: Convert to fraction form
    54,820.08/82,231.68 = 17,380.32/x
  3. Step 3: Cross multiply
    54,820.08x = 82,231.68 × 17,380.32
  4. Step 4: Simplify right side
    54,820.08x = 1,429,212,912.54
  5. Step 5: Solve for x
    x = 1,429,212,912.54/54,820.08
  6. Step 6: Final answer
    x = 26,070.97

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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.