Home / 30,983.92-46,467.60-13,449.64

Finding the Fourth Proportional to 30,983.92, 46,467.60 and 13,449.64

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Solution

The fourth proportional to 30,983.92, 46,467.60 and 13,449.64 is: 20,170.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,983.92 : 46,467.60 = 13,449.64 : x
  2. Step 2: Convert to fraction form
    30,983.92/46,467.60 = 13,449.64/x
  3. Step 3: Cross multiply
    30,983.92x = 46,467.60 × 13,449.64
  4. Step 4: Simplify right side
    30,983.92x = 624,972,491.66
  5. Step 5: Solve for x
    x = 624,972,491.66/30,983.92
  6. Step 6: Final answer
    x = 20,170.87

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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.