Home / 54,771.51-75,584.41-30,571.09

Finding the Fourth Proportional to 54,771.51, 75,584.41 and 30,571.09

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Solution

The fourth proportional to 54,771.51, 75,584.41 and 30,571.09 is: 42,187.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,771.51 : 75,584.41 = 30,571.09 : x
  2. Step 2: Convert to fraction form
    54,771.51/75,584.41 = 30,571.09/x
  3. Step 3: Cross multiply
    54,771.51x = 75,584.41 × 30,571.09
  4. Step 4: Simplify right side
    54,771.51x = 2,310,697,918.68
  5. Step 5: Solve for x
    x = 2,310,697,918.68/54,771.51
  6. Step 6: Final answer
    x = 42,187.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.