Home / 40,101.89-55,338.80-22,195.62

Finding the Fourth Proportional to 40,101.89, 55,338.80 and 22,195.62

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Solution

The fourth proportional to 40,101.89, 55,338.80 and 22,195.62 is: 30,628.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,101.89 : 55,338.80 = 22,195.62 : x
  2. Step 2: Convert to fraction form
    40,101.89/55,338.80 = 22,195.62/x
  3. Step 3: Cross multiply
    40,101.89x = 55,338.80 × 22,195.62
  4. Step 4: Simplify right side
    40,101.89x = 1,228,278,865.08
  5. Step 5: Solve for x
    x = 1,228,278,865.08/40,101.89
  6. Step 6: Final answer
    x = 30,628.96

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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.