Home / 53,211.12-79,843.60-35,453.88

Finding the Fourth Proportional to 53,211.12, 79,843.60 and 35,453.88

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Solution

The fourth proportional to 53,211.12, 79,843.60 and 35,453.88 is: 53,198.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,211.12 : 79,843.60 = 35,453.88 : x
  2. Step 2: Convert to fraction form
    53,211.12/79,843.60 = 35,453.88/x
  3. Step 3: Cross multiply
    53,211.12x = 79,843.60 × 35,453.88
  4. Step 4: Simplify right side
    53,211.12x = 2,830,765,413.17
  5. Step 5: Solve for x
    x = 2,830,765,413.17/53,211.12
  6. Step 6: Final answer
    x = 53,198.76

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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.