Home / 41,958.70-62,928.91-13,872.12

Finding the Fourth Proportional to 41,958.70, 62,928.91 and 13,872.12

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Solution

The fourth proportional to 41,958.70, 62,928.91 and 13,872.12 is: 20,805.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,958.70 : 62,928.91 = 13,872.12 : x
  2. Step 2: Convert to fraction form
    41,958.70/62,928.91 = 13,872.12/x
  3. Step 3: Cross multiply
    41,958.70x = 62,928.91 × 13,872.12
  4. Step 4: Simplify right side
    41,958.70x = 872,957,390.99
  5. Step 5: Solve for x
    x = 872,957,390.99/41,958.70
  6. Step 6: Final answer
    x = 20,805.16

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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.