Home / 29,002.80-43,520.60-12,361.08

Finding the Fourth Proportional to 29,002.80, 43,520.60 and 12,361.08

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Solution

The fourth proportional to 29,002.80, 43,520.60 and 12,361.08 is: 18,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,002.80 : 43,520.60 = 12,361.08 : x
  2. Step 2: Convert to fraction form
    29,002.80/43,520.60 = 12,361.08/x
  3. Step 3: Cross multiply
    29,002.80x = 43,520.60 × 12,361.08
  4. Step 4: Simplify right side
    29,002.80x = 537,961,618.25
  5. Step 5: Solve for x
    x = 537,961,618.25/29,002.80
  6. Step 6: Final answer
    x = 18,548.61

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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.