Home / 39,181.38-54,069.87-22,185.15

Finding the Fourth Proportional to 39,181.38, 54,069.87 and 22,185.15

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Solution

The fourth proportional to 39,181.38, 54,069.87 and 22,185.15 is: 30,615.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,181.38 : 54,069.87 = 22,185.15 : x
  2. Step 2: Convert to fraction form
    39,181.38/54,069.87 = 22,185.15/x
  3. Step 3: Cross multiply
    39,181.38x = 54,069.87 × 22,185.15
  4. Step 4: Simplify right side
    39,181.38x = 1,199,548,176.43
  5. Step 5: Solve for x
    x = 1,199,548,176.43/39,181.38
  6. Step 6: Final answer
    x = 30,615.26

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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.