Home / 45,846.20-68,776.42-19,551

Finding the Fourth Proportional to 45,846.20, 68,776.42 and 19,551

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Solution

The fourth proportional to 45,846.20, 68,776.42 and 19,551 is: 29,329.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,846.20 : 68,776.42 = 19,551 : x
  2. Step 2: Convert to fraction form
    45,846.20/68,776.42 = 19,551/x
  3. Step 3: Cross multiply
    45,846.20x = 68,776.42 × 19,551
  4. Step 4: Simplify right side
    45,846.20x = 1,344,647,787.42
  5. Step 5: Solve for x
    x = 1,344,647,787.42/45,846.20
  6. Step 6: Final answer
    x = 29,329.54

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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.