Home / 35,579.76-49,097.12-19,664.21

Finding the Fourth Proportional to 35,579.76, 49,097.12 and 19,664.21

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Solution

The fourth proportional to 35,579.76, 49,097.12 and 19,664.21 is: 27,134.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,579.76 : 49,097.12 = 19,664.21 : x
  2. Step 2: Convert to fraction form
    35,579.76/49,097.12 = 19,664.21/x
  3. Step 3: Cross multiply
    35,579.76x = 49,097.12 × 19,664.21
  4. Step 4: Simplify right side
    35,579.76x = 965,455,734.27
  5. Step 5: Solve for x
    x = 965,455,734.27/35,579.76
  6. Step 6: Final answer
    x = 27,134.97

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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.