Home / 40,179.49-55,443.97-22,272.98

Finding the Fourth Proportional to 40,179.49, 55,443.97 and 22,272.98

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Solution

The fourth proportional to 40,179.49, 55,443.97 and 22,272.98 is: 30,734.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,179.49 : 55,443.97 = 22,272.98 : x
  2. Step 2: Convert to fraction form
    40,179.49/55,443.97 = 22,272.98/x
  3. Step 3: Cross multiply
    40,179.49x = 55,443.97 × 22,272.98
  4. Step 4: Simplify right side
    40,179.49x = 1,234,902,434.93
  5. Step 5: Solve for x
    x = 1,234,902,434.93/40,179.49
  6. Step 6: Final answer
    x = 30,734.65

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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.