Home / 40,102.01-55,340.07-22,196.61

Finding the Fourth Proportional to 40,102.01, 55,340.07 and 22,196.61

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Solution

The fourth proportional to 40,102.01, 55,340.07 and 22,196.61 is: 30,630.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,102.01 : 55,340.07 = 22,196.61 : x
  2. Step 2: Convert to fraction form
    40,102.01/55,340.07 = 22,196.61/x
  3. Step 3: Cross multiply
    40,102.01x = 55,340.07 × 22,196.61
  4. Step 4: Simplify right side
    40,102.01x = 1,228,361,951.16
  5. Step 5: Solve for x
    x = 1,228,361,951.16/40,102.01
  6. Step 6: Final answer
    x = 30,630.94

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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.