Home / 43,287.51-64,882.05-18,311.97

Finding the Fourth Proportional to 43,287.51, 64,882.05 and 18,311.97

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Solution

The fourth proportional to 43,287.51, 64,882.05 and 18,311.97 is: 27,447.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,287.51 : 64,882.05 = 18,311.97 : x
  2. Step 2: Convert to fraction form
    43,287.51/64,882.05 = 18,311.97/x
  3. Step 3: Cross multiply
    43,287.51x = 64,882.05 × 18,311.97
  4. Step 4: Simplify right side
    43,287.51x = 1,188,118,153.14
  5. Step 5: Solve for x
    x = 1,188,118,153.14/43,287.51
  6. Step 6: Final answer
    x = 27,447.14

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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.