Home / 38,314.42-57,396.90-21,623.96

Finding the Fourth Proportional to 38,314.42, 57,396.90 and 21,623.96

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Solution

The fourth proportional to 38,314.42, 57,396.90 and 21,623.96 is: 32,393.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,314.42 : 57,396.90 = 21,623.96 : x
  2. Step 2: Convert to fraction form
    38,314.42/57,396.90 = 21,623.96/x
  3. Step 3: Cross multiply
    38,314.42x = 57,396.90 × 21,623.96
  4. Step 4: Simplify right side
    38,314.42x = 1,241,148,494.31
  5. Step 5: Solve for x
    x = 1,241,148,494.31/38,314.42
  6. Step 6: Final answer
    x = 32,393.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.