Home / 38,441.82-53,049.78-21,447.18

Finding the Fourth Proportional to 38,441.82, 53,049.78 and 21,447.18

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Solution

The fourth proportional to 38,441.82, 53,049.78 and 21,447.18 is: 29,597.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,441.82 : 53,049.78 = 21,447.18 : x
  2. Step 2: Convert to fraction form
    38,441.82/53,049.78 = 21,447.18/x
  3. Step 3: Cross multiply
    38,441.82x = 53,049.78 × 21,447.18
  4. Step 4: Simplify right side
    38,441.82x = 1,137,768,180.62
  5. Step 5: Solve for x
    x = 1,137,768,180.62/38,441.82
  6. Step 6: Final answer
    x = 29,597.15

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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.