Home / 54,301.97-74,940.93-30,430.87

Finding the Fourth Proportional to 54,301.97, 74,940.93 and 30,430.87

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Solution

The fourth proportional to 54,301.97, 74,940.93 and 30,430.87 is: 41,996.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,301.97 : 74,940.93 = 30,430.87 : x
  2. Step 2: Convert to fraction form
    54,301.97/74,940.93 = 30,430.87/x
  3. Step 3: Cross multiply
    54,301.97x = 74,940.93 × 30,430.87
  4. Step 4: Simplify right side
    54,301.97x = 2,280,517,171.65
  5. Step 5: Solve for x
    x = 2,280,517,171.65/54,301.97
  6. Step 6: Final answer
    x = 41,996.95

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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.