Home / 43,359.62-65,043.77-11,770.20

Finding the Fourth Proportional to 43,359.62, 65,043.77 and 11,770.20

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Solution

The fourth proportional to 43,359.62, 65,043.77 and 11,770.20 is: 17,656.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,359.62 : 65,043.77 = 11,770.20 : x
  2. Step 2: Convert to fraction form
    43,359.62/65,043.77 = 11,770.20/x
  3. Step 3: Cross multiply
    43,359.62x = 65,043.77 × 11,770.20
  4. Step 4: Simplify right side
    43,359.62x = 765,578,122.80
  5. Step 5: Solve for x
    x = 765,578,122.80/43,359.62
  6. Step 6: Final answer
    x = 17,656.48

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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.