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Finding the Fourth Proportional to 33,702.80, 50,489.40 and 19,835.60

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Solution

The fourth proportional to 33,702.80, 50,489.40 and 19,835.60 is: 29,715.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,702.80 : 50,489.40 = 19,835.60 : x
  2. Step 2: Convert to fraction form
    33,702.80/50,489.40 = 19,835.60/x
  3. Step 3: Cross multiply
    33,702.80x = 50,489.40 × 19,835.60
  4. Step 4: Simplify right side
    33,702.80x = 1,001,487,542.64
  5. Step 5: Solve for x
    x = 1,001,487,542.64/33,702.80
  6. Step 6: Final answer
    x = 29,715.26

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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.