Home / 20,186.27-30,232.44-19,485.48

Finding the Fourth Proportional to 20,186.27, 30,232.44 and 19,485.48

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Solution

The fourth proportional to 20,186.27, 30,232.44 and 19,485.48 is: 29,182.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186.27 : 30,232.44 = 19,485.48 : x
  2. Step 2: Convert to fraction form
    20,186.27/30,232.44 = 19,485.48/x
  3. Step 3: Cross multiply
    20,186.27x = 30,232.44 × 19,485.48
  4. Step 4: Simplify right side
    20,186.27x = 589,093,604.97
  5. Step 5: Solve for x
    x = 589,093,604.97/20,186.27
  6. Step 6: Final answer
    x = 29,182.89

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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.