Home / 54,344.28-74,999.01-30,146.43

Finding the Fourth Proportional to 54,344.28, 74,999.01 and 30,146.43

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Solution

The fourth proportional to 54,344.28, 74,999.01 and 30,146.43 is: 41,604.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,344.28 : 74,999.01 = 30,146.43 : x
  2. Step 2: Convert to fraction form
    54,344.28/74,999.01 = 30,146.43/x
  3. Step 3: Cross multiply
    54,344.28x = 74,999.01 × 30,146.43
  4. Step 4: Simplify right side
    54,344.28x = 2,260,952,405.03
  5. Step 5: Solve for x
    x = 2,260,952,405.03/54,344.28
  6. Step 6: Final answer
    x = 41,604.24

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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.