Home / 51,049.31-76,496.00-21,450.96

Finding the Fourth Proportional to 51,049.31, 76,496.00 and 21,450.96

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Solution

The fourth proportional to 51,049.31, 76,496.00 and 21,450.96 is: 32,143.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,049.31 : 76,496.00 = 21,450.96 : x
  2. Step 2: Convert to fraction form
    51,049.31/76,496.00 = 21,450.96/x
  3. Step 3: Cross multiply
    51,049.31x = 76,496.00 × 21,450.96
  4. Step 4: Simplify right side
    51,049.31x = 1,640,912,528.91
  5. Step 5: Solve for x
    x = 1,640,912,528.91/51,049.31
  6. Step 6: Final answer
    x = 32,143.68

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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.