Home / 54,623.86-81,936.05-19,085.03

Finding the Fourth Proportional to 54,623.86, 81,936.05 and 19,085.03

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Solution

The fourth proportional to 54,623.86, 81,936.05 and 19,085.03 is: 28,627.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,623.86 : 81,936.05 = 19,085.03 : x
  2. Step 2: Convert to fraction form
    54,623.86/81,936.05 = 19,085.03/x
  3. Step 3: Cross multiply
    54,623.86x = 81,936.05 × 19,085.03
  4. Step 4: Simplify right side
    54,623.86x = 1,563,751,972.33
  5. Step 5: Solve for x
    x = 1,563,751,972.33/54,623.86
  6. Step 6: Final answer
    x = 28,627.64

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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.