Home / 38,786.33-53,525.35-21,791.29

Finding the Fourth Proportional to 38,786.33, 53,525.35 and 21,791.29

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Solution

The fourth proportional to 38,786.33, 53,525.35 and 21,791.29 is: 30,072.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,786.33 : 53,525.35 = 21,791.29 : x
  2. Step 2: Convert to fraction form
    38,786.33/53,525.35 = 21,791.29/x
  3. Step 3: Cross multiply
    38,786.33x = 53,525.35 × 21,791.29
  4. Step 4: Simplify right side
    38,786.33x = 1,166,386,424.20
  5. Step 5: Solve for x
    x = 1,166,386,424.20/38,786.33
  6. Step 6: Final answer
    x = 30,072.10

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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.