Home / 33,138.06-49,707.09-12,079.68

Finding the Fourth Proportional to 33,138.06, 49,707.09 and 12,079.68

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Solution

The fourth proportional to 33,138.06, 49,707.09 and 12,079.68 is: 18,119.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,138.06 : 49,707.09 = 12,079.68 : x
  2. Step 2: Convert to fraction form
    33,138.06/49,707.09 = 12,079.68/x
  3. Step 3: Cross multiply
    33,138.06x = 49,707.09 × 12,079.68
  4. Step 4: Simplify right side
    33,138.06x = 600,445,740.93
  5. Step 5: Solve for x
    x = 600,445,740.93/33,138.06
  6. Step 6: Final answer
    x = 18,119.52

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Similar ratio
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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.