Home / 43,453.44-65,139.54-15,357.78

Finding the Fourth Proportional to 43,453.44, 65,139.54 and 15,357.78

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Solution

The fourth proportional to 43,453.44, 65,139.54 and 15,357.78 is: 23,022.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,453.44 : 65,139.54 = 15,357.78 : x
  2. Step 2: Convert to fraction form
    43,453.44/65,139.54 = 15,357.78/x
  3. Step 3: Cross multiply
    43,453.44x = 65,139.54 × 15,357.78
  4. Step 4: Simplify right side
    43,453.44x = 1,000,398,724.62
  5. Step 5: Solve for x
    x = 1,000,398,724.62/43,453.44
  6. Step 6: Final answer
    x = 23,022.31

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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.