Home / 54,103.07-74,662.61-30,230.75

Finding the Fourth Proportional to 54,103.07, 74,662.61 and 30,230.75

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Solution

The fourth proportional to 54,103.07, 74,662.61 and 30,230.75 is: 41,718.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,103.07 : 74,662.61 = 30,230.75 : x
  2. Step 2: Convert to fraction form
    54,103.07/74,662.61 = 30,230.75/x
  3. Step 3: Cross multiply
    54,103.07x = 74,662.61 × 30,230.75
  4. Step 4: Simplify right side
    54,103.07x = 2,257,106,172.79
  5. Step 5: Solve for x
    x = 2,257,106,172.79/54,103.07
  6. Step 6: Final answer
    x = 41,718.64

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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.