Home / 38,914.89-58,380.53-12,617.58

Finding the Fourth Proportional to 38,914.89, 58,380.53 and 12,617.58

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Solution

The fourth proportional to 38,914.89, 58,380.53 and 12,617.58 is: 18,929.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,914.89 : 58,380.53 = 12,617.58 : x
  2. Step 2: Convert to fraction form
    38,914.89/58,380.53 = 12,617.58/x
  3. Step 3: Cross multiply
    38,914.89x = 58,380.53 × 12,617.58
  4. Step 4: Simplify right side
    38,914.89x = 736,620,906.14
  5. Step 5: Solve for x
    x = 736,620,906.14/38,914.89
  6. Step 6: Final answer
    x = 18,929.03

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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.