Home / 30,976.43-46,438.52-13,433.04

Finding the Fourth Proportional to 30,976.43, 46,438.52 and 13,433.04

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Solution

The fourth proportional to 30,976.43, 46,438.52 and 13,433.04 is: 20,138.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,976.43 : 46,438.52 = 13,433.04 : x
  2. Step 2: Convert to fraction form
    30,976.43/46,438.52 = 13,433.04/x
  3. Step 3: Cross multiply
    30,976.43x = 46,438.52 × 13,433.04
  4. Step 4: Simplify right side
    30,976.43x = 623,810,429.54
  5. Step 5: Solve for x
    x = 623,810,429.54/30,976.43
  6. Step 6: Final answer
    x = 20,138.23

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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.