Home / 33,979.06-50,988.63-12,936.81

Finding the Fourth Proportional to 33,979.06, 50,988.63 and 12,936.81

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Solution

The fourth proportional to 33,979.06, 50,988.63 and 12,936.81 is: 19,412.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,979.06 : 50,988.63 = 12,936.81 : x
  2. Step 2: Convert to fraction form
    33,979.06/50,988.63 = 12,936.81/x
  3. Step 3: Cross multiply
    33,979.06x = 50,988.63 × 12,936.81
  4. Step 4: Simplify right side
    33,979.06x = 659,630,218.47
  5. Step 5: Solve for x
    x = 659,630,218.47/33,979.06
  6. Step 6: Final answer
    x = 19,412.85

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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.