Home / 29,110.80-43,680.60-16,640.40

Finding the Fourth Proportional to 29,110.80, 43,680.60 and 16,640.40

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Solution

The fourth proportional to 29,110.80, 43,680.60 and 16,640.40 is: 24,968.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,110.80 : 43,680.60 = 16,640.40 : x
  2. Step 2: Convert to fraction form
    29,110.80/43,680.60 = 16,640.40/x
  3. Step 3: Cross multiply
    29,110.80x = 43,680.60 × 16,640.40
  4. Step 4: Simplify right side
    29,110.80x = 726,862,656.24
  5. Step 5: Solve for x
    x = 726,862,656.24/29,110.80
  6. Step 6: Final answer
    x = 24,968.83

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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.