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Finding the Fourth Proportional to 33,181.56, 49,765.86 and 9,802.80

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Solution

The fourth proportional to 33,181.56, 49,765.86 and 9,802.80 is: 14,702.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,181.56 : 49,765.86 = 9,802.80 : x
  2. Step 2: Convert to fraction form
    33,181.56/49,765.86 = 9,802.80/x
  3. Step 3: Cross multiply
    33,181.56x = 49,765.86 × 9,802.80
  4. Step 4: Simplify right side
    33,181.56x = 487,844,772.41
  5. Step 5: Solve for x
    x = 487,844,772.41/33,181.56
  6. Step 6: Final answer
    x = 14,702.29

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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.