Home / 38,786.67-53,525.93-21,791.25

Finding the Fourth Proportional to 38,786.67, 53,525.93 and 21,791.25

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Solution

The fourth proportional to 38,786.67, 53,525.93 and 21,791.25 is: 30,072.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,786.67 : 53,525.93 = 21,791.25 : x
  2. Step 2: Convert to fraction form
    38,786.67/53,525.93 = 21,791.25/x
  3. Step 3: Cross multiply
    38,786.67x = 53,525.93 × 21,791.25
  4. Step 4: Simplify right side
    38,786.67x = 1,166,396,922.11
  5. Step 5: Solve for x
    x = 1,166,396,922.11/38,786.67
  6. Step 6: Final answer
    x = 30,072.11

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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.