Home / 43,844.87-65,777.04-20,458.55

Finding the Fourth Proportional to 43,844.87, 65,777.04 and 20,458.55

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Solution

The fourth proportional to 43,844.87, 65,777.04 and 20,458.55 is: 30,692.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,844.87 : 65,777.04 = 20,458.55 : x
  2. Step 2: Convert to fraction form
    43,844.87/65,777.04 = 20,458.55/x
  3. Step 3: Cross multiply
    43,844.87x = 65,777.04 × 20,458.55
  4. Step 4: Simplify right side
    43,844.87x = 1,345,703,026.13
  5. Step 5: Solve for x
    x = 1,345,703,026.13/43,844.87
  6. Step 6: Final answer
    x = 30,692.37

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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.