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Finding the Fourth Proportional to 36,901.80, 55,352.70 and 33,330.60

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Solution

The fourth proportional to 36,901.80, 55,352.70 and 33,330.60 is: 49,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,901.80 : 55,352.70 = 33,330.60 : x
  2. Step 2: Convert to fraction form
    36,901.80/55,352.70 = 33,330.60/x
  3. Step 3: Cross multiply
    36,901.80x = 55,352.70 × 33,330.60
  4. Step 4: Simplify right side
    36,901.80x = 1,844,938,702.62
  5. Step 5: Solve for x
    x = 1,844,938,702.62/36,901.80
  6. Step 6: Final answer
    x = 49,995.90

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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.