Home / 40,815.54-61,216.25-11,226.33

Finding the Fourth Proportional to 40,815.54, 61,216.25 and 11,226.33

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Solution

The fourth proportional to 40,815.54, 61,216.25 and 11,226.33 is: 16,837.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,815.54 : 61,216.25 = 11,226.33 : x
  2. Step 2: Convert to fraction form
    40,815.54/61,216.25 = 11,226.33/x
  3. Step 3: Cross multiply
    40,815.54x = 61,216.25 × 11,226.33
  4. Step 4: Simplify right side
    40,815.54x = 687,233,767.73
  5. Step 5: Solve for x
    x = 687,233,767.73/40,815.54
  6. Step 6: Final answer
    x = 16,837.55

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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.