Home / 45,580.73-68,146.31-38,638.22

Finding the Fourth Proportional to 45,580.73, 68,146.31 and 38,638.22

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Solution

The fourth proportional to 45,580.73, 68,146.31 and 38,638.22 is: 57,766.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,580.73 : 68,146.31 = 38,638.22 : x
  2. Step 2: Convert to fraction form
    45,580.73/68,146.31 = 38,638.22/x
  3. Step 3: Cross multiply
    45,580.73x = 68,146.31 × 38,638.22
  4. Step 4: Simplify right side
    45,580.73x = 2,633,051,873.83
  5. Step 5: Solve for x
    x = 2,633,051,873.83/45,580.73
  6. Step 6: Final answer
    x = 57,766.78

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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.