Home / 40,464.92-60,709.22-20,757.21

Finding the Fourth Proportional to 40,464.92, 60,709.22 and 20,757.21

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Solution

The fourth proportional to 40,464.92, 60,709.22 and 20,757.21 is: 31,141.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,464.92 : 60,709.22 = 20,757.21 : x
  2. Step 2: Convert to fraction form
    40,464.92/60,709.22 = 20,757.21/x
  3. Step 3: Cross multiply
    40,464.92x = 60,709.22 × 20,757.21
  4. Step 4: Simplify right side
    40,464.92x = 1,260,153,924.69
  5. Step 5: Solve for x
    x = 1,260,153,924.69/40,464.92
  6. Step 6: Final answer
    x = 31,141.89

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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.