Home / 38,376.26-52,958.43-21,380.48

Finding the Fourth Proportional to 38,376.26, 52,958.43 and 21,380.48

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Solution

The fourth proportional to 38,376.26, 52,958.43 and 21,380.48 is: 29,504.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,376.26 : 52,958.43 = 21,380.48 : x
  2. Step 2: Convert to fraction form
    38,376.26/52,958.43 = 21,380.48/x
  3. Step 3: Cross multiply
    38,376.26x = 52,958.43 × 21,380.48
  4. Step 4: Simplify right side
    38,376.26x = 1,132,276,653.45
  5. Step 5: Solve for x
    x = 1,132,276,653.45/38,376.26
  6. Step 6: Final answer
    x = 29,504.61

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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.