Home / 38,682.75-58,078.03-19,976.31

Finding the Fourth Proportional to 38,682.75, 58,078.03 and 19,976.31

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Solution

The fourth proportional to 38,682.75, 58,078.03 and 19,976.31 is: 29,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,682.75 : 58,078.03 = 19,976.31 : x
  2. Step 2: Convert to fraction form
    38,682.75/58,078.03 = 19,976.31/x
  3. Step 3: Cross multiply
    38,682.75x = 58,078.03 × 19,976.31
  4. Step 4: Simplify right side
    38,682.75x = 1,160,184,731.47
  5. Step 5: Solve for x
    x = 1,160,184,731.47/38,682.75
  6. Step 6: Final answer
    x = 29,992.30

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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.