Home / 54,290.26-74,918.48-30,415.74

Finding the Fourth Proportional to 54,290.26, 74,918.48 and 30,415.74

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Solution

The fourth proportional to 54,290.26, 74,918.48 and 30,415.74 is: 41,972.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,290.26 : 74,918.48 = 30,415.74 : x
  2. Step 2: Convert to fraction form
    54,290.26/74,918.48 = 30,415.74/x
  3. Step 3: Cross multiply
    54,290.26x = 74,918.48 × 30,415.74
  4. Step 4: Simplify right side
    54,290.26x = 2,278,701,008.88
  5. Step 5: Solve for x
    x = 2,278,701,008.88/54,290.26
  6. Step 6: Final answer
    x = 41,972.56

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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.