Home / 45,326.20-68,015.82-19,028.68

Finding the Fourth Proportional to 45,326.20, 68,015.82 and 19,028.68

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Solution

The fourth proportional to 45,326.20, 68,015.82 and 19,028.68 is: 28,554.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,326.20 : 68,015.82 = 19,028.68 : x
  2. Step 2: Convert to fraction form
    45,326.20/68,015.82 = 19,028.68/x
  3. Step 3: Cross multiply
    45,326.20x = 68,015.82 × 19,028.68
  4. Step 4: Simplify right side
    45,326.20x = 1,294,251,273.72
  5. Step 5: Solve for x
    x = 1,294,251,273.72/45,326.20
  6. Step 6: Final answer
    x = 28,554.15

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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.