Home / 34,513.80-51,732.30-18,942.60

Finding the Fourth Proportional to 34,513.80, 51,732.30 and 18,942.60

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Solution

The fourth proportional to 34,513.80, 51,732.30 and 18,942.60 is: 28,392.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,513.80 : 51,732.30 = 18,942.60 : x
  2. Step 2: Convert to fraction form
    34,513.80/51,732.30 = 18,942.60/x
  3. Step 3: Cross multiply
    34,513.80x = 51,732.30 × 18,942.60
  4. Step 4: Simplify right side
    34,513.80x = 979,944,265.98
  5. Step 5: Solve for x
    x = 979,944,265.98/34,513.80
  6. Step 6: Final answer
    x = 28,392.82

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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.