Home / 43,207.68-64,765.44-18,242.56

Finding the Fourth Proportional to 43,207.68, 64,765.44 and 18,242.56

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Solution

The fourth proportional to 43,207.68, 64,765.44 and 18,242.56 is: 27,344.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,207.68 : 64,765.44 = 18,242.56 : x
  2. Step 2: Convert to fraction form
    43,207.68/64,765.44 = 18,242.56/x
  3. Step 3: Cross multiply
    43,207.68x = 64,765.44 × 18,242.56
  4. Step 4: Simplify right side
    43,207.68x = 1,181,487,425.13
  5. Step 5: Solve for x
    x = 1,181,487,425.13/43,207.68
  6. Step 6: Final answer
    x = 27,344.38

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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.