Home / 33,825.20-46,679.02-20,393.78

Finding the Fourth Proportional to 33,825.20, 46,679.02 and 20,393.78

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Solution

The fourth proportional to 33,825.20, 46,679.02 and 20,393.78 is: 28,143.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,825.20 : 46,679.02 = 20,393.78 : x
  2. Step 2: Convert to fraction form
    33,825.20/46,679.02 = 20,393.78/x
  3. Step 3: Cross multiply
    33,825.20x = 46,679.02 × 20,393.78
  4. Step 4: Simplify right side
    33,825.20x = 951,961,380.12
  5. Step 5: Solve for x
    x = 951,961,380.12/33,825.20
  6. Step 6: Final answer
    x = 28,143.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.