Home / 39,975.44-55,165.75-22,070.06

Finding the Fourth Proportional to 39,975.44, 55,165.75 and 22,070.06

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Solution

The fourth proportional to 39,975.44, 55,165.75 and 22,070.06 is: 30,456.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,975.44 : 55,165.75 = 22,070.06 : x
  2. Step 2: Convert to fraction form
    39,975.44/55,165.75 = 22,070.06/x
  3. Step 3: Cross multiply
    39,975.44x = 55,165.75 × 22,070.06
  4. Step 4: Simplify right side
    39,975.44x = 1,217,511,179.70
  5. Step 5: Solve for x
    x = 1,217,511,179.70/39,975.44
  6. Step 6: Final answer
    x = 30,456.48

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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.