Home / 33,156.54-49,686.62-21,273.03

Finding the Fourth Proportional to 33,156.54, 49,686.62 and 21,273.03

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Solution

The fourth proportional to 33,156.54, 49,686.62 and 21,273.03 is: 31,878.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,156.54 : 49,686.62 = 21,273.03 : x
  2. Step 2: Convert to fraction form
    33,156.54/49,686.62 = 21,273.03/x
  3. Step 3: Cross multiply
    33,156.54x = 49,686.62 × 21,273.03
  4. Step 4: Simplify right side
    33,156.54x = 1,056,984,851.49
  5. Step 5: Solve for x
    x = 1,056,984,851.49/33,156.54
  6. Step 6: Final answer
    x = 31,878.62

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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.