Home / 33,400.15-50,095.56-8,438.65

Finding the Fourth Proportional to 33,400.15, 50,095.56 and 8,438.65

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Solution

The fourth proportional to 33,400.15, 50,095.56 and 8,438.65 is: 12,656.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,400.15 : 50,095.56 = 8,438.65 : x
  2. Step 2: Convert to fraction form
    33,400.15/50,095.56 = 8,438.65/x
  3. Step 3: Cross multiply
    33,400.15x = 50,095.56 × 8,438.65
  4. Step 4: Simplify right side
    33,400.15x = 422,738,803.80
  5. Step 5: Solve for x
    x = 422,738,803.80/33,400.15
  6. Step 6: Final answer
    x = 12,656.79

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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.