Home / 38,850.62-58,288.18-13,890.12

Finding the Fourth Proportional to 38,850.62, 58,288.18 and 13,890.12

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Solution

The fourth proportional to 38,850.62, 58,288.18 and 13,890.12 is: 20,839.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,850.62 : 58,288.18 = 13,890.12 : x
  2. Step 2: Convert to fraction form
    38,850.62/58,288.18 = 13,890.12/x
  3. Step 3: Cross multiply
    38,850.62x = 58,288.18 × 13,890.12
  4. Step 4: Simplify right side
    38,850.62x = 809,629,814.78
  5. Step 5: Solve for x
    x = 809,629,814.78/38,850.62
  6. Step 6: Final answer
    x = 20,839.56

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1.5x scale

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.