Home / 29,647.50-40,920.39-19,577.94

Finding the Fourth Proportional to 29,647.50, 40,920.39 and 19,577.94

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Solution

The fourth proportional to 29,647.50, 40,920.39 and 19,577.94 is: 27,022.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,647.50 : 40,920.39 = 19,577.94 : x
  2. Step 2: Convert to fraction form
    29,647.50/40,920.39 = 19,577.94/x
  3. Step 3: Cross multiply
    29,647.50x = 40,920.39 × 19,577.94
  4. Step 4: Simplify right side
    29,647.50x = 801,136,940.20
  5. Step 5: Solve for x
    x = 801,136,940.20/29,647.50
  6. Step 6: Final answer
    x = 27,022.07

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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.