Home / 33,691.61-50,454.37-21,180.60

Finding the Fourth Proportional to 33,691.61, 50,454.37 and 21,180.60

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Solution

The fourth proportional to 33,691.61, 50,454.37 and 21,180.60 is: 31,718.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,691.61 : 50,454.37 = 21,180.60 : x
  2. Step 2: Convert to fraction form
    33,691.61/50,454.37 = 21,180.60/x
  3. Step 3: Cross multiply
    33,691.61x = 50,454.37 × 21,180.60
  4. Step 4: Simplify right side
    33,691.61x = 1,068,653,723.32
  5. Step 5: Solve for x
    x = 1,068,653,723.32/33,691.61
  6. Step 6: Final answer
    x = 31,718.69

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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.