Home / 30,982.92-46,448.26-13,439.54

Finding the Fourth Proportional to 30,982.92, 46,448.26 and 13,439.54

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Solution

The fourth proportional to 30,982.92, 46,448.26 and 13,439.54 is: 20,147.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,982.92 : 46,448.26 = 13,439.54 : x
  2. Step 2: Convert to fraction form
    30,982.92/46,448.26 = 13,439.54/x
  3. Step 3: Cross multiply
    30,982.92x = 46,448.26 × 13,439.54
  4. Step 4: Simplify right side
    30,982.92x = 624,243,248.20
  5. Step 5: Solve for x
    x = 624,243,248.20/30,982.92
  6. Step 6: Final answer
    x = 20,147.98

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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.