Home / 35,981.88-49,655.26-20,067.36

Finding the Fourth Proportional to 35,981.88, 49,655.26 and 20,067.36

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Solution

The fourth proportional to 35,981.88, 49,655.26 and 20,067.36 is: 27,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,981.88 : 49,655.26 = 20,067.36 : x
  2. Step 2: Convert to fraction form
    35,981.88/49,655.26 = 20,067.36/x
  3. Step 3: Cross multiply
    35,981.88x = 49,655.26 × 20,067.36
  4. Step 4: Simplify right side
    35,981.88x = 996,449,978.31
  5. Step 5: Solve for x
    x = 996,449,978.31/35,981.88
  6. Step 6: Final answer
    x = 27,693.10

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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.