Home / 47,753.20-71,629.71-12,692.85

Finding the Fourth Proportional to 47,753.20, 71,629.71 and 12,692.85

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Solution

The fourth proportional to 47,753.20, 71,629.71 and 12,692.85 is: 19,039.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,753.20 : 71,629.71 = 12,692.85 : x
  2. Step 2: Convert to fraction form
    47,753.20/71,629.71 = 12,692.85/x
  3. Step 3: Cross multiply
    47,753.20x = 71,629.71 × 12,692.85
  4. Step 4: Simplify right side
    47,753.20x = 909,185,251.28
  5. Step 5: Solve for x
    x = 909,185,251.28/47,753.20
  6. Step 6: Final answer
    x = 19,039.25

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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.