Home / 64,529.33-96,812.42-20,156.72

Finding the Fourth Proportional to 64,529.33, 96,812.42 and 20,156.72

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Solution

The fourth proportional to 64,529.33, 96,812.42 and 20,156.72 is: 30,240.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,529.33 : 96,812.42 = 20,156.72 : x
  2. Step 2: Convert to fraction form
    64,529.33/96,812.42 = 20,156.72/x
  3. Step 3: Cross multiply
    64,529.33x = 96,812.42 × 20,156.72
  4. Step 4: Simplify right side
    64,529.33x = 1,951,420,257.62
  5. Step 5: Solve for x
    x = 1,951,420,257.62/64,529.33
  6. Step 6: Final answer
    x = 30,240.83

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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.