Home / 40,016.08-55,220.70-22,110.71

Finding the Fourth Proportional to 40,016.08, 55,220.70 and 22,110.71

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Solution

The fourth proportional to 40,016.08, 55,220.70 and 22,110.71 is: 30,511.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,016.08 : 55,220.70 = 22,110.71 : x
  2. Step 2: Convert to fraction form
    40,016.08/55,220.70 = 22,110.71/x
  3. Step 3: Cross multiply
    40,016.08x = 55,220.70 × 22,110.71
  4. Step 4: Simplify right side
    40,016.08x = 1,220,969,104.66
  5. Step 5: Solve for x
    x = 1,220,969,104.66/40,016.08
  6. Step 6: Final answer
    x = 30,511.96

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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.