Home / 49,455.44-74,138.52-18,268.88

Finding the Fourth Proportional to 49,455.44, 74,138.52 and 18,268.88

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Solution

The fourth proportional to 49,455.44, 74,138.52 and 18,268.88 is: 27,386.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,455.44 : 74,138.52 = 18,268.88 : x
  2. Step 2: Convert to fraction form
    49,455.44/74,138.52 = 18,268.88/x
  3. Step 3: Cross multiply
    49,455.44x = 74,138.52 × 18,268.88
  4. Step 4: Simplify right side
    49,455.44x = 1,354,427,725.26
  5. Step 5: Solve for x
    x = 1,354,427,725.26/49,455.44
  6. Step 6: Final answer
    x = 27,386.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.