Home / 54,197.36-74,785.20-30,321.44

Finding the Fourth Proportional to 54,197.36, 74,785.20 and 30,321.44

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Solution

The fourth proportional to 54,197.36, 74,785.20 and 30,321.44 is: 41,839.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,197.36 : 74,785.20 = 30,321.44 : x
  2. Step 2: Convert to fraction form
    54,197.36/74,785.20 = 30,321.44/x
  3. Step 3: Cross multiply
    54,197.36x = 74,785.20 × 30,321.44
  4. Step 4: Simplify right side
    54,197.36x = 2,267,594,954.69
  5. Step 5: Solve for x
    x = 2,267,594,954.69/54,197.36
  6. Step 6: Final answer
    x = 41,839.58

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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.