Home / 39,175.45-54,063.25-22,179.32

Finding the Fourth Proportional to 39,175.45, 54,063.25 and 22,179.32

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Solution

The fourth proportional to 39,175.45, 54,063.25 and 22,179.32 is: 30,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,175.45 : 54,063.25 = 22,179.32 : x
  2. Step 2: Convert to fraction form
    39,175.45/54,063.25 = 22,179.32/x
  3. Step 3: Cross multiply
    39,175.45x = 54,063.25 × 22,179.32
  4. Step 4: Simplify right side
    39,175.45x = 1,199,085,998.96
  5. Step 5: Solve for x
    x = 1,199,085,998.96/39,175.45
  6. Step 6: Final answer
    x = 30,608.10

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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.