Home / 33,143.57-49,685.88-12,079.66

Finding the Fourth Proportional to 33,143.57, 49,685.88 and 12,079.66

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Solution

The fourth proportional to 33,143.57, 49,685.88 and 12,079.66 is: 18,108.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,143.57 : 49,685.88 = 12,079.66 : x
  2. Step 2: Convert to fraction form
    33,143.57/49,685.88 = 12,079.66/x
  3. Step 3: Cross multiply
    33,143.57x = 49,685.88 × 12,079.66
  4. Step 4: Simplify right side
    33,143.57x = 600,188,537.20
  5. Step 5: Solve for x
    x = 600,188,537.20/33,143.57
  6. Step 6: Final answer
    x = 18,108.75

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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.