Home / 35,578.90-49,098.18-19,664.02

Finding the Fourth Proportional to 35,578.90, 49,098.18 and 19,664.02

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Solution

The fourth proportional to 35,578.90, 49,098.18 and 19,664.02 is: 27,135.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,578.90 : 49,098.18 = 19,664.02 : x
  2. Step 2: Convert to fraction form
    35,578.90/49,098.18 = 19,664.02/x
  3. Step 3: Cross multiply
    35,578.90x = 49,098.18 × 19,664.02
  4. Step 4: Simplify right side
    35,578.90x = 965,467,593.48
  5. Step 5: Solve for x
    x = 965,467,593.48/35,578.90
  6. Step 6: Final answer
    x = 27,135.96

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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.