Home / 48,179.18-72,091.38-29,135.90

Finding the Fourth Proportional to 48,179.18, 72,091.38 and 29,135.90

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Solution

The fourth proportional to 48,179.18, 72,091.38 and 29,135.90 is: 43,596.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,179.18 : 72,091.38 = 29,135.90 : x
  2. Step 2: Convert to fraction form
    48,179.18/72,091.38 = 29,135.90/x
  3. Step 3: Cross multiply
    48,179.18x = 72,091.38 × 29,135.90
  4. Step 4: Simplify right side
    48,179.18x = 2,100,447,238.54
  5. Step 5: Solve for x
    x = 2,100,447,238.54/48,179.18
  6. Step 6: Final answer
    x = 43,596.58

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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.