Home / 34,163.20-51,249.60-10,787.20

Finding the Fourth Proportional to 34,163.20, 51,249.60 and 10,787.20

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Solution

The fourth proportional to 34,163.20, 51,249.60 and 10,787.20 is: 16,182.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,163.20 : 51,249.60 = 10,787.20 : x
  2. Step 2: Convert to fraction form
    34,163.20/51,249.60 = 10,787.20/x
  3. Step 3: Cross multiply
    34,163.20x = 51,249.60 × 10,787.20
  4. Step 4: Simplify right side
    34,163.20x = 552,839,685.12
  5. Step 5: Solve for x
    x = 552,839,685.12/34,163.20
  6. Step 6: Final answer
    x = 16,182.32

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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.