Home / 43,839.56-65,724.84-18,859.16

Finding the Fourth Proportional to 43,839.56, 65,724.84 and 18,859.16

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Solution

The fourth proportional to 43,839.56, 65,724.84 and 18,859.16 is: 28,273.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,839.56 : 65,724.84 = 18,859.16 : x
  2. Step 2: Convert to fraction form
    43,839.56/65,724.84 = 18,859.16/x
  3. Step 3: Cross multiply
    43,839.56x = 65,724.84 × 18,859.16
  4. Step 4: Simplify right side
    43,839.56x = 1,239,515,273.53
  5. Step 5: Solve for x
    x = 1,239,515,273.53/43,839.56
  6. Step 6: Final answer
    x = 28,273.90

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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.