Home / 30,852.72-46,280.81-8,664.37

Finding the Fourth Proportional to 30,852.72, 46,280.81 and 8,664.37

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Solution

The fourth proportional to 30,852.72, 46,280.81 and 8,664.37 is: 12,997.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,852.72 : 46,280.81 = 8,664.37 : x
  2. Step 2: Convert to fraction form
    30,852.72/46,280.81 = 8,664.37/x
  3. Step 3: Cross multiply
    30,852.72x = 46,280.81 × 8,664.37
  4. Step 4: Simplify right side
    30,852.72x = 400,993,943.33
  5. Step 5: Solve for x
    x = 400,993,943.33/30,852.72
  6. Step 6: Final answer
    x = 12,997.04

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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.