Home / 39,172.19-54,060.97-22,179.43

Finding the Fourth Proportional to 39,172.19, 54,060.97 and 22,179.43

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Solution

The fourth proportional to 39,172.19, 54,060.97 and 22,179.43 is: 30,609.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,172.19 : 54,060.97 = 22,179.43 : x
  2. Step 2: Convert to fraction form
    39,172.19/54,060.97 = 22,179.43/x
  3. Step 3: Cross multiply
    39,172.19x = 54,060.97 × 22,179.43
  4. Step 4: Simplify right side
    39,172.19x = 1,199,041,555.30
  5. Step 5: Solve for x
    x = 1,199,041,555.30/39,172.19
  6. Step 6: Final answer
    x = 30,609.51

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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.