Home / 40,045.97-55,262.34-22,141.73

Finding the Fourth Proportional to 40,045.97, 55,262.34 and 22,141.73

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Solution

The fourth proportional to 40,045.97, 55,262.34 and 22,141.73 is: 30,554.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,045.97 : 55,262.34 = 22,141.73 : x
  2. Step 2: Convert to fraction form
    40,045.97/55,262.34 = 22,141.73/x
  3. Step 3: Cross multiply
    40,045.97x = 55,262.34 × 22,141.73
  4. Step 4: Simplify right side
    40,045.97x = 1,223,603,811.45
  5. Step 5: Solve for x
    x = 1,223,603,811.45/40,045.97
  6. Step 6: Final answer
    x = 30,554.98

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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.