Home / 43,178.06-64,723.96-18,231.99

Finding the Fourth Proportional to 43,178.06, 64,723.96 and 18,231.99

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Solution

The fourth proportional to 43,178.06, 64,723.96 and 18,231.99 is: 27,329.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,178.06 : 64,723.96 = 18,231.99 : x
  2. Step 2: Convert to fraction form
    43,178.06/64,723.96 = 18,231.99/x
  3. Step 3: Cross multiply
    43,178.06x = 64,723.96 × 18,231.99
  4. Step 4: Simplify right side
    43,178.06x = 1,180,046,371.56
  5. Step 5: Solve for x
    x = 1,180,046,371.56/43,178.06
  6. Step 6: Final answer
    x = 27,329.77

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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.