Home / 35,771.88-49,356.42-21,434.04

Finding the Fourth Proportional to 35,771.88, 49,356.42 and 21,434.04

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Solution

The fourth proportional to 35,771.88, 49,356.42 and 21,434.04 is: 29,573.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,771.88 : 49,356.42 = 21,434.04 : x
  2. Step 2: Convert to fraction form
    35,771.88/49,356.42 = 21,434.04/x
  3. Step 3: Cross multiply
    35,771.88x = 49,356.42 × 21,434.04
  4. Step 4: Simplify right side
    35,771.88x = 1,057,907,480.54
  5. Step 5: Solve for x
    x = 1,057,907,480.54/35,771.88
  6. Step 6: Final answer
    x = 29,573.72

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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.