Home / 33,629.31-50,410.08-21,158.28

Finding the Fourth Proportional to 33,629.31, 50,410.08 and 21,158.28

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Solution

The fourth proportional to 33,629.31, 50,410.08 and 21,158.28 is: 31,716.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,629.31 : 50,410.08 = 21,158.28 : x
  2. Step 2: Convert to fraction form
    33,629.31/50,410.08 = 21,158.28/x
  3. Step 3: Cross multiply
    33,629.31x = 50,410.08 × 21,158.28
  4. Step 4: Simplify right side
    33,629.31x = 1,066,590,587.46
  5. Step 5: Solve for x
    x = 1,066,590,587.46/33,629.31
  6. Step 6: Final answer
    x = 31,716.10

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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.