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Finding the Fourth Proportional to 33,659.60, 50,489.40 and 17,070.80

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Solution

The fourth proportional to 33,659.60, 50,489.40 and 17,070.80 is: 25,606.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,659.60 : 50,489.40 = 17,070.80 : x
  2. Step 2: Convert to fraction form
    33,659.60/50,489.40 = 17,070.80/x
  3. Step 3: Cross multiply
    33,659.60x = 50,489.40 × 17,070.80
  4. Step 4: Simplify right side
    33,659.60x = 861,894,449.52
  5. Step 5: Solve for x
    x = 861,894,449.52/33,659.60
  6. Step 6: Final answer
    x = 25,606.20

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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.