Home / 30,750.16-46,120.64-8,561.26

Finding the Fourth Proportional to 30,750.16, 46,120.64 and 8,561.26

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Solution

The fourth proportional to 30,750.16, 46,120.64 and 8,561.26 is: 12,840.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,750.16 : 46,120.64 = 8,561.26 : x
  2. Step 2: Convert to fraction form
    30,750.16/46,120.64 = 8,561.26/x
  3. Step 3: Cross multiply
    30,750.16x = 46,120.64 × 8,561.26
  4. Step 4: Simplify right side
    30,750.16x = 394,850,790.41
  5. Step 5: Solve for x
    x = 394,850,790.41/30,750.16
  6. Step 6: Final answer
    x = 12,840.61

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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.