Home / 33,142.86-49,713.84-12,087.54

Finding the Fourth Proportional to 33,142.86, 49,713.84 and 12,087.54

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Solution

The fourth proportional to 33,142.86, 49,713.84 and 12,087.54 is: 18,131.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,142.86 : 49,713.84 = 12,087.54 : x
  2. Step 2: Convert to fraction form
    33,142.86/49,713.84 = 12,087.54/x
  3. Step 3: Cross multiply
    33,142.86x = 49,713.84 × 12,087.54
  4. Step 4: Simplify right side
    33,142.86x = 600,918,029.55
  5. Step 5: Solve for x
    x = 600,918,029.55/33,142.86
  6. Step 6: Final answer
    x = 18,131.15

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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.