Home / 33,485.82-50,230.66-12,143.18

Finding the Fourth Proportional to 33,485.82, 50,230.66 and 12,143.18

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Solution

The fourth proportional to 33,485.82, 50,230.66 and 12,143.18 is: 18,215.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,485.82 : 50,230.66 = 12,143.18 : x
  2. Step 2: Convert to fraction form
    33,485.82/50,230.66 = 12,143.18/x
  3. Step 3: Cross multiply
    33,485.82x = 50,230.66 × 12,143.18
  4. Step 4: Simplify right side
    33,485.82x = 609,960,029.73
  5. Step 5: Solve for x
    x = 609,960,029.73/33,485.82
  6. Step 6: Final answer
    x = 18,215.47

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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.