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Finding the Fourth Proportional to 48,841.68, 67,390.20 and 33,747.60

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Solution

The fourth proportional to 48,841.68, 67,390.20 and 33,747.60 is: 46,563.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,841.68 : 67,390.20 = 33,747.60 : x
  2. Step 2: Convert to fraction form
    48,841.68/67,390.20 = 33,747.60/x
  3. Step 3: Cross multiply
    48,841.68x = 67,390.20 × 33,747.60
  4. Step 4: Simplify right side
    48,841.68x = 2,274,257,513.52
  5. Step 5: Solve for x
    x = 2,274,257,513.52/48,841.68
  6. Step 6: Final answer
    x = 46,563.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.