Home / 43,509.05-65,268.12-18,551.73

Finding the Fourth Proportional to 43,509.05, 65,268.12 and 18,551.73

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Solution

The fourth proportional to 43,509.05, 65,268.12 and 18,551.73 is: 27,829.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,509.05 : 65,268.12 = 18,551.73 : x
  2. Step 2: Convert to fraction form
    43,509.05/65,268.12 = 18,551.73/x
  3. Step 3: Cross multiply
    43,509.05x = 65,268.12 × 18,551.73
  4. Step 4: Simplify right side
    43,509.05x = 1,210,836,539.85
  5. Step 5: Solve for x
    x = 1,210,836,539.85/43,509.05
  6. Step 6: Final answer
    x = 27,829.54

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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.