Home / 41,786.28-62,688.66-20,737.80

Finding the Fourth Proportional to 41,786.28, 62,688.66 and 20,737.80

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Solution

The fourth proportional to 41,786.28, 62,688.66 and 20,737.80 is: 31,111.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,786.28 : 62,688.66 = 20,737.80 : x
  2. Step 2: Convert to fraction form
    41,786.28/62,688.66 = 20,737.80/x
  3. Step 3: Cross multiply
    41,786.28x = 62,688.66 × 20,737.80
  4. Step 4: Simplify right side
    41,786.28x = 1,300,024,893.35
  5. Step 5: Solve for x
    x = 1,300,024,893.35/41,786.28
  6. Step 6: Final answer
    x = 31,111.29

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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.