Home / 53,229.96-79,647.18-33,415.80

Finding the Fourth Proportional to 53,229.96, 79,647.18 and 33,415.80

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Solution

The fourth proportional to 53,229.96, 79,647.18 and 33,415.80 is: 49,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,229.96 : 79,647.18 = 33,415.80 : x
  2. Step 2: Convert to fraction form
    53,229.96/79,647.18 = 33,415.80/x
  3. Step 3: Cross multiply
    53,229.96x = 79,647.18 × 33,415.80
  4. Step 4: Simplify right side
    53,229.96x = 2,661,474,237.44
  5. Step 5: Solve for x
    x = 2,661,474,237.44/53,229.96
  6. Step 6: Final answer
    x = 49,999.55

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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.