Home / 39,175.41-54,062.70-22,179.21

Finding the Fourth Proportional to 39,175.41, 54,062.70 and 22,179.21

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Solution

The fourth proportional to 39,175.41, 54,062.70 and 22,179.21 is: 30,607.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,175.41 : 54,062.70 = 22,179.21 : x
  2. Step 2: Convert to fraction form
    39,175.41/54,062.70 = 22,179.21/x
  3. Step 3: Cross multiply
    39,175.41x = 54,062.70 × 22,179.21
  4. Step 4: Simplify right side
    39,175.41x = 1,199,067,976.47
  5. Step 5: Solve for x
    x = 1,199,067,976.47/39,175.41
  6. Step 6: Final answer
    x = 30,607.67

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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.