Home / 33,118.80-49,679.40-9,747.60

Finding the Fourth Proportional to 33,118.80, 49,679.40 and 9,747.60

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Solution

The fourth proportional to 33,118.80, 49,679.40 and 9,747.60 is: 14,621.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,118.80 : 49,679.40 = 9,747.60 : x
  2. Step 2: Convert to fraction form
    33,118.80/49,679.40 = 9,747.60/x
  3. Step 3: Cross multiply
    33,118.80x = 49,679.40 × 9,747.60
  4. Step 4: Simplify right side
    33,118.80x = 484,254,919.44
  5. Step 5: Solve for x
    x = 484,254,919.44/33,118.80
  6. Step 6: Final answer
    x = 14,621.75

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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.