Home / 40,077.38-55,302-22,169.96

Finding the Fourth Proportional to 40,077.38, 55,302 and 22,169.96

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Solution

The fourth proportional to 40,077.38, 55,302 and 22,169.96 is: 30,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,077.38 : 55,302 = 22,169.96 : x
  2. Step 2: Convert to fraction form
    40,077.38/55,302 = 22,169.96/x
  3. Step 3: Cross multiply
    40,077.38x = 55,302 × 22,169.96
  4. Step 4: Simplify right side
    40,077.38x = 1,226,042,851.41
  5. Step 5: Solve for x
    x = 1,226,042,851.41/40,077.38
  6. Step 6: Final answer
    x = 30,591.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.