Home / 30,976.93-46,439.27-13,433.54

Finding the Fourth Proportional to 30,976.93, 46,439.27 and 13,433.54

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Solution

The fourth proportional to 30,976.93, 46,439.27 and 13,433.54 is: 20,138.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,976.93 : 46,439.27 = 13,433.54 : x
  2. Step 2: Convert to fraction form
    30,976.93/46,439.27 = 13,433.54/x
  3. Step 3: Cross multiply
    30,976.93x = 46,439.27 × 13,433.54
  4. Step 4: Simplify right side
    30,976.93x = 623,843,723.95
  5. Step 5: Solve for x
    x = 623,843,723.95/30,976.93
  6. Step 6: Final answer
    x = 20,138.98

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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.