Home / 35,979.31-49,651.64-20,064.43

Finding the Fourth Proportional to 35,979.31, 49,651.64 and 20,064.43

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Solution

The fourth proportional to 35,979.31, 49,651.64 and 20,064.43 is: 27,689.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,979.31 : 49,651.64 = 20,064.43 : x
  2. Step 2: Convert to fraction form
    35,979.31/49,651.64 = 20,064.43/x
  3. Step 3: Cross multiply
    35,979.31x = 49,651.64 × 20,064.43
  4. Step 4: Simplify right side
    35,979.31x = 996,231,855.17
  5. Step 5: Solve for x
    x = 996,231,855.17/35,979.31
  6. Step 6: Final answer
    x = 27,689.02

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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.