Home / 20,231.33-30,351.32-7,084.13

Finding the Fourth Proportional to 20,231.33, 30,351.32 and 7,084.13

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Solution

The fourth proportional to 20,231.33, 30,351.32 and 7,084.13 is: 10,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,231.33 : 30,351.32 = 7,084.13 : x
  2. Step 2: Convert to fraction form
    20,231.33/30,351.32 = 7,084.13/x
  3. Step 3: Cross multiply
    20,231.33x = 30,351.32 × 7,084.13
  4. Step 4: Simplify right side
    20,231.33x = 215,012,509.37
  5. Step 5: Solve for x
    x = 215,012,509.37/20,231.33
  6. Step 6: Final answer
    x = 10,627.70

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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.