Home / 39,896.50-55,016.25-26,288.11

Finding the Fourth Proportional to 39,896.50, 55,016.25 and 26,288.11

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Solution

The fourth proportional to 39,896.50, 55,016.25 and 26,288.11 is: 36,250.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,896.50 : 55,016.25 = 26,288.11 : x
  2. Step 2: Convert to fraction form
    39,896.50/55,016.25 = 26,288.11/x
  3. Step 3: Cross multiply
    39,896.50x = 55,016.25 × 26,288.11
  4. Step 4: Simplify right side
    39,896.50x = 1,446,273,231.79
  5. Step 5: Solve for x
    x = 1,446,273,231.79/39,896.50
  6. Step 6: Final answer
    x = 36,250.63

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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.