Home / 38,908.96-58,286.59-20,201.20

Finding the Fourth Proportional to 38,908.96, 58,286.59 and 20,201.20

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Solution

The fourth proportional to 38,908.96, 58,286.59 and 20,201.20 is: 30,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,908.96 : 58,286.59 = 20,201.20 : x
  2. Step 2: Convert to fraction form
    38,908.96/58,286.59 = 20,201.20/x
  3. Step 3: Cross multiply
    38,908.96x = 58,286.59 × 20,201.20
  4. Step 4: Simplify right side
    38,908.96x = 1,177,458,865.69
  5. Step 5: Solve for x
    x = 1,177,458,865.69/38,908.96
  6. Step 6: Final answer
    x = 30,261.90

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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.