Home / 38,376.51-52,958.78-21,380.73

Finding the Fourth Proportional to 38,376.51, 52,958.78 and 21,380.73

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Solution

The fourth proportional to 38,376.51, 52,958.78 and 21,380.73 is: 29,504.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,376.51 : 52,958.78 = 21,380.73 : x
  2. Step 2: Convert to fraction form
    38,376.51/52,958.78 = 21,380.73/x
  3. Step 3: Cross multiply
    38,376.51x = 52,958.78 × 21,380.73
  4. Step 4: Simplify right side
    38,376.51x = 1,132,297,376.31
  5. Step 5: Solve for x
    x = 1,132,297,376.31/38,376.51
  6. Step 6: Final answer
    x = 29,504.96

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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.