Home / 54,304.85-74,939.96-30,431.99

Finding the Fourth Proportional to 54,304.85, 74,939.96 and 30,431.99

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Solution

The fourth proportional to 54,304.85, 74,939.96 and 30,431.99 is: 41,995.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,304.85 : 74,939.96 = 30,431.99 : x
  2. Step 2: Convert to fraction form
    54,304.85/74,939.96 = 30,431.99/x
  3. Step 3: Cross multiply
    54,304.85x = 74,939.96 × 30,431.99
  4. Step 4: Simplify right side
    54,304.85x = 2,280,571,586.46
  5. Step 5: Solve for x
    x = 2,280,571,586.46/54,304.85
  6. Step 6: Final answer
    x = 41,995.73

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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.