Home / 30,369.03-45,553.77-19,844.09

Finding the Fourth Proportional to 30,369.03, 45,553.77 and 19,844.09

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Solution

The fourth proportional to 30,369.03, 45,553.77 and 19,844.09 is: 29,766.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,369.03 : 45,553.77 = 19,844.09 : x
  2. Step 2: Convert to fraction form
    30,369.03/45,553.77 = 19,844.09/x
  3. Step 3: Cross multiply
    30,369.03x = 45,553.77 × 19,844.09
  4. Step 4: Simplify right side
    30,369.03x = 903,972,998.97
  5. Step 5: Solve for x
    x = 903,972,998.97/30,369.03
  6. Step 6: Final answer
    x = 29,766.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.