Home / 35,821.74-49,435.20-19,906.86

Finding the Fourth Proportional to 35,821.74, 49,435.20 and 19,906.86

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Solution

The fourth proportional to 35,821.74, 49,435.20 and 19,906.86 is: 27,472.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,821.74 : 49,435.20 = 19,906.86 : x
  2. Step 2: Convert to fraction form
    35,821.74/49,435.20 = 19,906.86/x
  3. Step 3: Cross multiply
    35,821.74x = 49,435.20 × 19,906.86
  4. Step 4: Simplify right side
    35,821.74x = 984,099,605.47
  5. Step 5: Solve for x
    x = 984,099,605.47/35,821.74
  6. Step 6: Final answer
    x = 27,472.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.