Home / 54,871.75-75,716.94-30,993.36

Finding the Fourth Proportional to 54,871.75, 75,716.94 and 30,993.36

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Solution

The fourth proportional to 54,871.75, 75,716.94 and 30,993.36 is: 42,767.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,871.75 : 75,716.94 = 30,993.36 : x
  2. Step 2: Convert to fraction form
    54,871.75/75,716.94 = 30,993.36/x
  3. Step 3: Cross multiply
    54,871.75x = 75,716.94 × 30,993.36
  4. Step 4: Simplify right side
    54,871.75x = 2,346,722,379.52
  5. Step 5: Solve for x
    x = 2,346,722,379.52/54,871.75
  6. Step 6: Final answer
    x = 42,767.41

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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.