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Finding the Fourth Proportional to 33,498.80, 50,280.60 and 20,376.80

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Solution

The fourth proportional to 33,498.80, 50,280.60 and 20,376.80 is: 30,584.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,498.80 : 50,280.60 = 20,376.80 : x
  2. Step 2: Convert to fraction form
    33,498.80/50,280.60 = 20,376.80/x
  3. Step 3: Cross multiply
    33,498.80x = 50,280.60 × 20,376.80
  4. Step 4: Simplify right side
    33,498.80x = 1,024,557,730.08
  5. Step 5: Solve for x
    x = 1,024,557,730.08/33,498.80
  6. Step 6: Final answer
    x = 30,584.91

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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.