Home / 36,650.28-54,931.68-20,014.50

Finding the Fourth Proportional to 36,650.28, 54,931.68 and 20,014.50

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Solution

The fourth proportional to 36,650.28, 54,931.68 and 20,014.50 is: 29,997.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,650.28 : 54,931.68 = 20,014.50 : x
  2. Step 2: Convert to fraction form
    36,650.28/54,931.68 = 20,014.50/x
  3. Step 3: Cross multiply
    36,650.28x = 54,931.68 × 20,014.50
  4. Step 4: Simplify right side
    36,650.28x = 1,099,430,109.36
  5. Step 5: Solve for x
    x = 1,099,430,109.36/36,650.28
  6. Step 6: Final answer
    x = 29,997.86

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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.