Home / 40,343.82-55,673.63-22,193.78

Finding the Fourth Proportional to 40,343.82, 55,673.63 and 22,193.78

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Solution

The fourth proportional to 40,343.82, 55,673.63 and 22,193.78 is: 30,626.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,343.82 : 55,673.63 = 22,193.78 : x
  2. Step 2: Convert to fraction form
    40,343.82/55,673.63 = 22,193.78/x
  3. Step 3: Cross multiply
    40,343.82x = 55,673.63 × 22,193.78
  4. Step 4: Simplify right side
    40,343.82x = 1,235,608,351.51
  5. Step 5: Solve for x
    x = 1,235,608,351.51/40,343.82
  6. Step 6: Final answer
    x = 30,626.95

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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.