Home / 43,268.84-64,911.26-13,694.12

Finding the Fourth Proportional to 43,268.84, 64,911.26 and 13,694.12

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Solution

The fourth proportional to 43,268.84, 64,911.26 and 13,694.12 is: 20,543.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,268.84 : 64,911.26 = 13,694.12 : x
  2. Step 2: Convert to fraction form
    43,268.84/64,911.26 = 13,694.12/x
  3. Step 3: Cross multiply
    43,268.84x = 64,911.26 × 13,694.12
  4. Step 4: Simplify right side
    43,268.84x = 888,902,293.47
  5. Step 5: Solve for x
    x = 888,902,293.47/43,268.84
  6. Step 6: Final answer
    x = 20,543.71

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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.