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Finding the Fourth Proportional to 33,720.80, 50,611.80 and 17,092.40

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Solution

The fourth proportional to 33,720.80, 50,611.80 and 17,092.40 is: 25,654.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,720.80 : 50,611.80 = 17,092.40 : x
  2. Step 2: Convert to fraction form
    33,720.80/50,611.80 = 17,092.40/x
  3. Step 3: Cross multiply
    33,720.80x = 50,611.80 × 17,092.40
  4. Step 4: Simplify right side
    33,720.80x = 865,077,130.32
  5. Step 5: Solve for x
    x = 865,077,130.32/33,720.80
  6. Step 6: Final answer
    x = 25,654.11

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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.