Home / 43,251.28-64,842.36-18,644.56

Finding the Fourth Proportional to 43,251.28, 64,842.36 and 18,644.56

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Solution

The fourth proportional to 43,251.28, 64,842.36 and 18,644.56 is: 27,951.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,251.28 : 64,842.36 = 18,644.56 : x
  2. Step 2: Convert to fraction form
    43,251.28/64,842.36 = 18,644.56/x
  3. Step 3: Cross multiply
    43,251.28x = 64,842.36 × 18,644.56
  4. Step 4: Simplify right side
    43,251.28x = 1,208,957,271.56
  5. Step 5: Solve for x
    x = 1,208,957,271.56/43,251.28
  6. Step 6: Final answer
    x = 27,951.94

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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.