Home / 54,036.78-74,570.84-30,163.44

Finding the Fourth Proportional to 54,036.78, 74,570.84 and 30,163.44

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Solution

The fourth proportional to 54,036.78, 74,570.84 and 30,163.44 is: 41,625.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,036.78 : 74,570.84 = 30,163.44 : x
  2. Step 2: Convert to fraction form
    54,036.78/74,570.84 = 30,163.44/x
  3. Step 3: Cross multiply
    54,036.78x = 74,570.84 × 30,163.44
  4. Step 4: Simplify right side
    54,036.78x = 2,249,313,058.09
  5. Step 5: Solve for x
    x = 2,249,313,058.09/54,036.78
  6. Step 6: Final answer
    x = 41,625.59

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1.5x scale

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.