Home / 38,809.56-58,179.78-18,021.72

Finding the Fourth Proportional to 38,809.56, 58,179.78 and 18,021.72

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Solution

The fourth proportional to 38,809.56, 58,179.78 and 18,021.72 is: 27,016.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,809.56 : 58,179.78 = 18,021.72 : x
  2. Step 2: Convert to fraction form
    38,809.56/58,179.78 = 18,021.72/x
  3. Step 3: Cross multiply
    38,809.56x = 58,179.78 × 18,021.72
  4. Step 4: Simplify right side
    38,809.56x = 1,048,499,704.82
  5. Step 5: Solve for x
    x = 1,048,499,704.82/38,809.56
  6. Step 6: Final answer
    x = 27,016.53

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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.