Home / 37,268.25-51,431.12-20,273.45

Finding the Fourth Proportional to 37,268.25, 51,431.12 and 20,273.45

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Solution

The fourth proportional to 37,268.25, 51,431.12 and 20,273.45 is: 27,977.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,268.25 : 51,431.12 = 20,273.45 : x
  2. Step 2: Convert to fraction form
    37,268.25/51,431.12 = 20,273.45/x
  3. Step 3: Cross multiply
    37,268.25x = 51,431.12 × 20,273.45
  4. Step 4: Simplify right side
    37,268.25x = 1,042,685,957.27
  5. Step 5: Solve for x
    x = 1,042,685,957.27/37,268.25
  6. Step 6: Final answer
    x = 27,977.86

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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.