Home / 54,680.78-75,460.94-30,806.03

Finding the Fourth Proportional to 54,680.78, 75,460.94 and 30,806.03

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Solution

The fourth proportional to 54,680.78, 75,460.94 and 30,806.03 is: 42,513.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,680.78 : 75,460.94 = 30,806.03 : x
  2. Step 2: Convert to fraction form
    54,680.78/75,460.94 = 30,806.03/x
  3. Step 3: Cross multiply
    54,680.78x = 75,460.94 × 30,806.03
  4. Step 4: Simplify right side
    54,680.78x = 2,324,651,450.13
  5. Step 5: Solve for x
    x = 2,324,651,450.13/54,680.78
  6. Step 6: Final answer
    x = 42,513.14

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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.