Home / 40,074.27-55,302.70-22,169.90

Finding the Fourth Proportional to 40,074.27, 55,302.70 and 22,169.90

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Solution

The fourth proportional to 40,074.27, 55,302.70 and 22,169.90 is: 30,594.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,074.27 : 55,302.70 = 22,169.90 : x
  2. Step 2: Convert to fraction form
    40,074.27/55,302.70 = 22,169.90/x
  3. Step 3: Cross multiply
    40,074.27x = 55,302.70 × 22,169.90
  4. Step 4: Simplify right side
    40,074.27x = 1,226,055,453.13
  5. Step 5: Solve for x
    x = 1,226,055,453.13/40,074.27
  6. Step 6: Final answer
    x = 30,594.58

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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.