Home / 40,016.28-55,219.68-22,110.96

Finding the Fourth Proportional to 40,016.28, 55,219.68 and 22,110.96

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Solution

The fourth proportional to 40,016.28, 55,219.68 and 22,110.96 is: 30,511.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,016.28 : 55,219.68 = 22,110.96 : x
  2. Step 2: Convert to fraction form
    40,016.28/55,219.68 = 22,110.96/x
  3. Step 3: Cross multiply
    40,016.28x = 55,219.68 × 22,110.96
  4. Step 4: Simplify right side
    40,016.28x = 1,220,960,135.69
  5. Step 5: Solve for x
    x = 1,220,960,135.69/40,016.28
  6. Step 6: Final answer
    x = 30,511.59

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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.