Home / 54,140.43-74,714.33-30,268.41

Finding the Fourth Proportional to 54,140.43, 74,714.33 and 30,268.41

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Solution

The fourth proportional to 54,140.43, 74,714.33 and 30,268.41 is: 41,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,140.43 : 74,714.33 = 30,268.41 : x
  2. Step 2: Convert to fraction form
    54,140.43/74,714.33 = 30,268.41/x
  3. Step 3: Cross multiply
    54,140.43x = 74,714.33 × 30,268.41
  4. Step 4: Simplify right side
    54,140.43x = 2,261,483,821.97
  5. Step 5: Solve for x
    x = 2,261,483,821.97/54,140.43
  6. Step 6: Final answer
    x = 41,770.70

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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.