Home / 34,203.20-51,269.44-13,137.60

Finding the Fourth Proportional to 34,203.20, 51,269.44 and 13,137.60

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Solution

The fourth proportional to 34,203.20, 51,269.44 and 13,137.60 is: 19,692.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,203.20 : 51,269.44 = 13,137.60 : x
  2. Step 2: Convert to fraction form
    34,203.20/51,269.44 = 13,137.60/x
  3. Step 3: Cross multiply
    34,203.20x = 51,269.44 × 13,137.60
  4. Step 4: Simplify right side
    34,203.20x = 673,557,394.94
  5. Step 5: Solve for x
    x = 673,557,394.94/34,203.20
  6. Step 6: Final answer
    x = 19,692.82

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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.