Home / 40,042.13-55,257.69-22,137.44

Finding the Fourth Proportional to 40,042.13, 55,257.69 and 22,137.44

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Solution

The fourth proportional to 40,042.13, 55,257.69 and 22,137.44 is: 30,549.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,042.13 : 55,257.69 = 22,137.44 : x
  2. Step 2: Convert to fraction form
    40,042.13/55,257.69 = 22,137.44/x
  3. Step 3: Cross multiply
    40,042.13x = 55,257.69 × 22,137.44
  4. Step 4: Simplify right side
    40,042.13x = 1,223,263,520.63
  5. Step 5: Solve for x
    x = 1,223,263,520.63/40,042.13
  6. Step 6: Final answer
    x = 30,549.42

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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.