Home / 38,291.25-52,843.68-21,297.21

Finding the Fourth Proportional to 38,291.25, 52,843.68 and 21,297.21

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Solution

The fourth proportional to 38,291.25, 52,843.68 and 21,297.21 is: 29,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,291.25 : 52,843.68 = 21,297.21 : x
  2. Step 2: Convert to fraction form
    38,291.25/52,843.68 = 21,297.21/x
  3. Step 3: Cross multiply
    38,291.25x = 52,843.68 × 21,297.21
  4. Step 4: Simplify right side
    38,291.25x = 1,125,422,950.13
  5. Step 5: Solve for x
    x = 1,125,422,950.13/38,291.25
  6. Step 6: Final answer
    x = 29,391.13

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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.