Home / 33,438.75-50,158.31-8,478.85

Finding the Fourth Proportional to 33,438.75, 50,158.31 and 8,478.85

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Solution

The fourth proportional to 33,438.75, 50,158.31 and 8,478.85 is: 12,718.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,438.75 : 50,158.31 = 8,478.85 : x
  2. Step 2: Convert to fraction form
    33,438.75/50,158.31 = 8,478.85/x
  3. Step 3: Cross multiply
    33,438.75x = 50,158.31 × 8,478.85
  4. Step 4: Simplify right side
    33,438.75x = 425,284,557.15
  5. Step 5: Solve for x
    x = 425,284,557.15/33,438.75
  6. Step 6: Final answer
    x = 12,718.32

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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.