Home / 33,140.20-49,710.30-9,766.60

Finding the Fourth Proportional to 33,140.20, 49,710.30 and 9,766.60

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Solution

The fourth proportional to 33,140.20, 49,710.30 and 9,766.60 is: 14,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.20 : 49,710.30 = 9,766.60 : x
  2. Step 2: Convert to fraction form
    33,140.20/49,710.30 = 9,766.60/x
  3. Step 3: Cross multiply
    33,140.20x = 49,710.30 × 9,766.60
  4. Step 4: Simplify right side
    33,140.20x = 485,500,615.98
  5. Step 5: Solve for x
    x = 485,500,615.98/33,140.20
  6. Step 6: Final answer
    x = 14,649.90

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1.5x scale

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.