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Finding the Fourth Proportional to 35,574.78, 49,093.62 and 19,659.08

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Solution

The fourth proportional to 35,574.78, 49,093.62 and 19,659.08 is: 27,129.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,574.78 : 49,093.62 = 19,659.08 : x
  2. Step 2: Convert to fraction form
    35,574.78/49,093.62 = 19,659.08/x
  3. Step 3: Cross multiply
    35,574.78x = 49,093.62 × 19,659.08
  4. Step 4: Simplify right side
    35,574.78x = 965,135,403.07
  5. Step 5: Solve for x
    x = 965,135,403.07/35,574.78
  6. Step 6: Final answer
    x = 27,129.76

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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.