Home / 33,979.68-50,971.80-9,019.36

Finding the Fourth Proportional to 33,979.68, 50,971.80 and 9,019.36

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Solution

The fourth proportional to 33,979.68, 50,971.80 and 9,019.36 is: 13,529.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,979.68 : 50,971.80 = 9,019.36 : x
  2. Step 2: Convert to fraction form
    33,979.68/50,971.80 = 9,019.36/x
  3. Step 3: Cross multiply
    33,979.68x = 50,971.80 × 9,019.36
  4. Step 4: Simplify right side
    33,979.68x = 459,733,014.05
  5. Step 5: Solve for x
    x = 459,733,014.05/33,979.68
  6. Step 6: Final answer
    x = 13,529.65

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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.