Home / 40,184.40-55,454.49-22,279.62

Finding the Fourth Proportional to 40,184.40, 55,454.49 and 22,279.62

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Solution

The fourth proportional to 40,184.40, 55,454.49 and 22,279.62 is: 30,745.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,184.40 : 55,454.49 = 22,279.62 : x
  2. Step 2: Convert to fraction form
    40,184.40/55,454.49 = 22,279.62/x
  3. Step 3: Cross multiply
    40,184.40x = 55,454.49 × 22,279.62
  4. Step 4: Simplify right side
    40,184.40x = 1,235,504,964.49
  5. Step 5: Solve for x
    x = 1,235,504,964.49/40,184.40
  6. Step 6: Final answer
    x = 30,745.89

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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.