Home / 43,273.38-64,912.35-18,309.99

Finding the Fourth Proportional to 43,273.38, 64,912.35 and 18,309.99

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Solution

The fourth proportional to 43,273.38, 64,912.35 and 18,309.99 is: 27,465.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,273.38 : 64,912.35 = 18,309.99 : x
  2. Step 2: Convert to fraction form
    43,273.38/64,912.35 = 18,309.99/x
  3. Step 3: Cross multiply
    43,273.38x = 64,912.35 × 18,309.99
  4. Step 4: Simplify right side
    43,273.38x = 1,188,544,479.38
  5. Step 5: Solve for x
    x = 1,188,544,479.38/43,273.38
  6. Step 6: Final answer
    x = 27,465.95

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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.