Home / 36,899.73-55,362.56-31,394.97

Finding the Fourth Proportional to 36,899.73, 55,362.56 and 31,394.97

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Solution

The fourth proportional to 36,899.73, 55,362.56 and 31,394.97 is: 47,103.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,899.73 : 55,362.56 = 31,394.97 : x
  2. Step 2: Convert to fraction form
    36,899.73/55,362.56 = 31,394.97/x
  3. Step 3: Cross multiply
    36,899.73x = 55,362.56 × 31,394.97
  4. Step 4: Simplify right side
    36,899.73x = 1,738,105,753.35
  5. Step 5: Solve for x
    x = 1,738,105,753.35/36,899.73
  6. Step 6: Final answer
    x = 47,103.48

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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.