Home / 43,579.44-65,365.56-13,989.36

Finding the Fourth Proportional to 43,579.44, 65,365.56 and 13,989.36

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Solution

The fourth proportional to 43,579.44, 65,365.56 and 13,989.36 is: 20,982.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,579.44 : 65,365.56 = 13,989.36 : x
  2. Step 2: Convert to fraction form
    43,579.44/65,365.56 = 13,989.36/x
  3. Step 3: Cross multiply
    43,579.44x = 65,365.56 × 13,989.36
  4. Step 4: Simplify right side
    43,579.44x = 914,422,350.44
  5. Step 5: Solve for x
    x = 914,422,350.44/43,579.44
  6. Step 6: Final answer
    x = 20,982.88

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1.5x scale

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.