Home / 33,340.31-50,015.43-12,278.73

Finding the Fourth Proportional to 33,340.31, 50,015.43 and 12,278.73

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Solution

The fourth proportional to 33,340.31, 50,015.43 and 12,278.73 is: 18,419.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,340.31 : 50,015.43 = 12,278.73 : x
  2. Step 2: Convert to fraction form
    33,340.31/50,015.43 = 12,278.73/x
  3. Step 3: Cross multiply
    33,340.31x = 50,015.43 × 12,278.73
  4. Step 4: Simplify right side
    33,340.31x = 614,125,960.80
  5. Step 5: Solve for x
    x = 614,125,960.80/33,340.31
  6. Step 6: Final answer
    x = 18,419.92

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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.