Home / 29,112.80-43,669.20-8,052.80

Finding the Fourth Proportional to 29,112.80, 43,669.20 and 8,052.80

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Solution

The fourth proportional to 29,112.80, 43,669.20 and 8,052.80 is: 12,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,112.80 : 43,669.20 = 8,052.80 : x
  2. Step 2: Convert to fraction form
    29,112.80/43,669.20 = 8,052.80/x
  3. Step 3: Cross multiply
    29,112.80x = 43,669.20 × 8,052.80
  4. Step 4: Simplify right side
    29,112.80x = 351,659,333.76
  5. Step 5: Solve for x
    x = 351,659,333.76/29,112.80
  6. Step 6: Final answer
    x = 12,079.20

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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.