Home / 33,693.75-50,505.09-12,620.04

Finding the Fourth Proportional to 33,693.75, 50,505.09 and 12,620.04

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Solution

The fourth proportional to 33,693.75, 50,505.09 and 12,620.04 is: 18,916.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,693.75 : 50,505.09 = 12,620.04 : x
  2. Step 2: Convert to fraction form
    33,693.75/50,505.09 = 12,620.04/x
  3. Step 3: Cross multiply
    33,693.75x = 50,505.09 × 12,620.04
  4. Step 4: Simplify right side
    33,693.75x = 637,376,256.00
  5. Step 5: Solve for x
    x = 637,376,256.00/33,693.75
  6. Step 6: Final answer
    x = 18,916.75

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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.