Home / 53,385.41-80,092.02-20,105.75

Finding the Fourth Proportional to 53,385.41, 80,092.02 and 20,105.75

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Solution

The fourth proportional to 53,385.41, 80,092.02 and 20,105.75 is: 30,163.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,385.41 : 80,092.02 = 20,105.75 : x
  2. Step 2: Convert to fraction form
    53,385.41/80,092.02 = 20,105.75/x
  3. Step 3: Cross multiply
    53,385.41x = 80,092.02 × 20,105.75
  4. Step 4: Simplify right side
    53,385.41x = 1,610,310,131.12
  5. Step 5: Solve for x
    x = 1,610,310,131.12/53,385.41
  6. Step 6: Final answer
    x = 30,163.86

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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.