Home / 20,015.07-30,039.42-10,016.82

Finding the Fourth Proportional to 20,015.07, 30,039.42 and 10,016.82

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Solution

The fourth proportional to 20,015.07, 30,039.42 and 10,016.82 is: 15,033.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.07 : 30,039.42 = 10,016.82 : x
  2. Step 2: Convert to fraction form
    20,015.07/30,039.42 = 10,016.82/x
  3. Step 3: Cross multiply
    20,015.07x = 30,039.42 × 10,016.82
  4. Step 4: Simplify right side
    20,015.07x = 300,899,463.04
  5. Step 5: Solve for x
    x = 300,899,463.04/20,015.07
  6. Step 6: Final answer
    x = 15,033.65

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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.