Home / 38,932.72-58,380.62-20,194.01

Finding the Fourth Proportional to 38,932.72, 58,380.62 and 20,194.01

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Solution

The fourth proportional to 38,932.72, 58,380.62 and 20,194.01 is: 30,281.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,932.72 : 58,380.62 = 20,194.01 : x
  2. Step 2: Convert to fraction form
    38,932.72/58,380.62 = 20,194.01/x
  3. Step 3: Cross multiply
    38,932.72x = 58,380.62 × 20,194.01
  4. Step 4: Simplify right side
    38,932.72x = 1,178,938,650.14
  5. Step 5: Solve for x
    x = 1,178,938,650.14/38,932.72
  6. Step 6: Final answer
    x = 30,281.44

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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.