Home / 35,691.90-49,257.49-19,777.82

Finding the Fourth Proportional to 35,691.90, 49,257.49 and 19,777.82

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Solution

The fourth proportional to 35,691.90, 49,257.49 and 19,777.82 is: 27,294.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,691.90 : 49,257.49 = 19,777.82 : x
  2. Step 2: Convert to fraction form
    35,691.90/49,257.49 = 19,777.82/x
  3. Step 3: Cross multiply
    35,691.90x = 49,257.49 × 19,777.82
  4. Step 4: Simplify right side
    35,691.90x = 974,205,770.87
  5. Step 5: Solve for x
    x = 974,205,770.87/35,691.90
  6. Step 6: Final answer
    x = 27,294.87

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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.