Home / 39,600.03-54,647.73-21,450.36

Finding the Fourth Proportional to 39,600.03, 54,647.73 and 21,450.36

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Solution

The fourth proportional to 39,600.03, 54,647.73 and 21,450.36 is: 29,601.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,600.03 : 54,647.73 = 21,450.36 : x
  2. Step 2: Convert to fraction form
    39,600.03/54,647.73 = 21,450.36/x
  3. Step 3: Cross multiply
    39,600.03x = 54,647.73 × 21,450.36
  4. Step 4: Simplify right side
    39,600.03x = 1,172,213,481.68
  5. Step 5: Solve for x
    x = 1,172,213,481.68/39,600.03
  6. Step 6: Final answer
    x = 29,601.33

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1.5x scale

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.