Home / 54,218.97-74,823.48-30,345.30

Finding the Fourth Proportional to 54,218.97, 74,823.48 and 30,345.30

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Solution

The fourth proportional to 54,218.97, 74,823.48 and 30,345.30 is: 41,877.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,218.97 : 74,823.48 = 30,345.30 : x
  2. Step 2: Convert to fraction form
    54,218.97/74,823.48 = 30,345.30/x
  3. Step 3: Cross multiply
    54,218.97x = 74,823.48 × 30,345.30
  4. Step 4: Simplify right side
    54,218.97x = 2,270,540,947.64
  5. Step 5: Solve for x
    x = 2,270,540,947.64/54,218.97
  6. Step 6: Final answer
    x = 41,877.24

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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.