Home / 35,606.88-49,136.40-19,691.28

Finding the Fourth Proportional to 35,606.88, 49,136.40 and 19,691.28

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Solution

The fourth proportional to 35,606.88, 49,136.40 and 19,691.28 is: 27,173.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,606.88 : 49,136.40 = 19,691.28 : x
  2. Step 2: Convert to fraction form
    35,606.88/49,136.40 = 19,691.28/x
  3. Step 3: Cross multiply
    35,606.88x = 49,136.40 × 19,691.28
  4. Step 4: Simplify right side
    35,606.88x = 967,558,610.59
  5. Step 5: Solve for x
    x = 967,558,610.59/35,606.88
  6. Step 6: Final answer
    x = 27,173.36

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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.