Home / 35,579.88-49,097.64-19,664.64

Finding the Fourth Proportional to 35,579.88, 49,097.64 and 19,664.64

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Solution

The fourth proportional to 35,579.88, 49,097.64 and 19,664.64 is: 27,135.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,579.88 : 49,097.64 = 19,664.64 : x
  2. Step 2: Convert to fraction form
    35,579.88/49,097.64 = 19,664.64/x
  3. Step 3: Cross multiply
    35,579.88x = 49,097.64 × 19,664.64
  4. Step 4: Simplify right side
    35,579.88x = 965,487,415.45
  5. Step 5: Solve for x
    x = 965,487,415.45/35,579.88
  6. Step 6: Final answer
    x = 27,135.77

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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.