Home / 81,513.24-122,261.67-22,354.86

Finding the Fourth Proportional to 81,513.24, 122,261.67 and 22,354.86

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Solution

The fourth proportional to 81,513.24, 122,261.67 and 22,354.86 is: 33,530.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,513.24 : 122,261.67 = 22,354.86 : x
  2. Step 2: Convert to fraction form
    81,513.24/122,261.67 = 22,354.86/x
  3. Step 3: Cross multiply
    81,513.24x = 122,261.67 × 22,354.86
  4. Step 4: Simplify right side
    81,513.24x = 2,733,142,516.22
  5. Step 5: Solve for x
    x = 2,733,142,516.22/81,513.24
  6. Step 6: Final answer
    x = 33,530.04

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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.