Home / 43,208.68-64,766.94-18,243.56

Finding the Fourth Proportional to 43,208.68, 64,766.94 and 18,243.56

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Solution

The fourth proportional to 43,208.68, 64,766.94 and 18,243.56 is: 27,345.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,208.68 : 64,766.94 = 18,243.56 : x
  2. Step 2: Convert to fraction form
    43,208.68/64,766.94 = 18,243.56/x
  3. Step 3: Cross multiply
    43,208.68x = 64,766.94 × 18,243.56
  4. Step 4: Simplify right side
    43,208.68x = 1,181,579,555.91
  5. Step 5: Solve for x
    x = 1,181,579,555.91/43,208.68
  6. Step 6: Final answer
    x = 27,345.88

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1.5x scale

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.