Home / 54,145.44-74,721.69-30,269.57

Finding the Fourth Proportional to 54,145.44, 74,721.69 and 30,269.57

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Solution

The fourth proportional to 54,145.44, 74,721.69 and 30,269.57 is: 41,772.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,145.44 : 74,721.69 = 30,269.57 : x
  2. Step 2: Convert to fraction form
    54,145.44/74,721.69 = 30,269.57/x
  3. Step 3: Cross multiply
    54,145.44x = 74,721.69 × 30,269.57
  4. Step 4: Simplify right side
    54,145.44x = 2,261,793,052.36
  5. Step 5: Solve for x
    x = 2,261,793,052.36/54,145.44
  6. Step 6: Final answer
    x = 41,772.55

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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.