Home / 45,469.27-68,203.91-13,879.50

Finding the Fourth Proportional to 45,469.27, 68,203.91 and 13,879.50

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Solution

The fourth proportional to 45,469.27, 68,203.91 and 13,879.50 is: 20,819.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,469.27 : 68,203.91 = 13,879.50 : x
  2. Step 2: Convert to fraction form
    45,469.27/68,203.91 = 13,879.50/x
  3. Step 3: Cross multiply
    45,469.27x = 68,203.91 × 13,879.50
  4. Step 4: Simplify right side
    45,469.27x = 946,636,168.85
  5. Step 5: Solve for x
    x = 946,636,168.85/45,469.27
  6. Step 6: Final answer
    x = 20,819.25

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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.