Home / 54,171.42-74,759.52-30,297.58

Finding the Fourth Proportional to 54,171.42, 74,759.52 and 30,297.58

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Solution

The fourth proportional to 54,171.42, 74,759.52 and 30,297.58 is: 41,812.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,171.42 : 74,759.52 = 30,297.58 : x
  2. Step 2: Convert to fraction form
    54,171.42/74,759.52 = 30,297.58/x
  3. Step 3: Cross multiply
    54,171.42x = 74,759.52 × 30,297.58
  4. Step 4: Simplify right side
    54,171.42x = 2,265,032,464.68
  5. Step 5: Solve for x
    x = 2,265,032,464.68/54,171.42
  6. Step 6: Final answer
    x = 41,812.32

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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.