Home / 49,228.68-73,871.65-20,763.86

Finding the Fourth Proportional to 49,228.68, 73,871.65 and 20,763.86

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Solution

The fourth proportional to 49,228.68, 73,871.65 and 20,763.86 is: 31,157.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,228.68 : 73,871.65 = 20,763.86 : x
  2. Step 2: Convert to fraction form
    49,228.68/73,871.65 = 20,763.86/x
  3. Step 3: Cross multiply
    49,228.68x = 73,871.65 × 20,763.86
  4. Step 4: Simplify right side
    49,228.68x = 1,533,860,553.90
  5. Step 5: Solve for x
    x = 1,533,860,553.90/49,228.68
  6. Step 6: Final answer
    x = 31,157.87

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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.