Home / 54,137.74-74,711.78-30,264.31

Finding the Fourth Proportional to 54,137.74, 74,711.78 and 30,264.31

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Solution

The fourth proportional to 54,137.74, 74,711.78 and 30,264.31 is: 41,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,137.74 : 74,711.78 = 30,264.31 : x
  2. Step 2: Convert to fraction form
    54,137.74/74,711.78 = 30,264.31/x
  3. Step 3: Cross multiply
    54,137.74x = 74,711.78 × 30,264.31
  4. Step 4: Simplify right side
    54,137.74x = 2,261,100,470.57
  5. Step 5: Solve for x
    x = 2,261,100,470.57/54,137.74
  6. Step 6: Final answer
    x = 41,765.70

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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.