Home / 48,629.44-72,895.68-20,556.56

Finding the Fourth Proportional to 48,629.44, 72,895.68 and 20,556.56

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Solution

The fourth proportional to 48,629.44, 72,895.68 and 20,556.56 is: 30,814.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,629.44 : 72,895.68 = 20,556.56 : x
  2. Step 2: Convert to fraction form
    48,629.44/72,895.68 = 20,556.56/x
  3. Step 3: Cross multiply
    48,629.44x = 72,895.68 × 20,556.56
  4. Step 4: Simplify right side
    48,629.44x = 1,498,484,419.66
  5. Step 5: Solve for x
    x = 1,498,484,419.66/48,629.44
  6. Step 6: Final answer
    x = 30,814.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.