Home / 33,669.45-50,439.53-18,833.40

Finding the Fourth Proportional to 33,669.45, 50,439.53 and 18,833.40

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Solution

The fourth proportional to 33,669.45, 50,439.53 and 18,833.40 is: 28,213.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,669.45 : 50,439.53 = 18,833.40 : x
  2. Step 2: Convert to fraction form
    33,669.45/50,439.53 = 18,833.40/x
  3. Step 3: Cross multiply
    33,669.45x = 50,439.53 × 18,833.40
  4. Step 4: Simplify right side
    33,669.45x = 949,947,750.14
  5. Step 5: Solve for x
    x = 949,947,750.14/33,669.45
  6. Step 6: Final answer
    x = 28,213.94

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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.