Home / 32,945.91-49,418.97-7,985.86

Finding the Fourth Proportional to 32,945.91, 49,418.97 and 7,985.86

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Solution

The fourth proportional to 32,945.91, 49,418.97 and 7,985.86 is: 11,978.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,945.91 : 49,418.97 = 7,985.86 : x
  2. Step 2: Convert to fraction form
    32,945.91/49,418.97 = 7,985.86/x
  3. Step 3: Cross multiply
    32,945.91x = 49,418.97 × 7,985.86
  4. Step 4: Simplify right side
    32,945.91x = 394,652,935.83
  5. Step 5: Solve for x
    x = 394,652,935.83/32,945.91
  6. Step 6: Final answer
    x = 11,978.81

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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.