Home / 39,816.28-54,879.42-27,219.16

Finding the Fourth Proportional to 39,816.28, 54,879.42 and 27,219.16

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Solution

The fourth proportional to 39,816.28, 54,879.42 and 27,219.16 is: 37,516.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,816.28 : 54,879.42 = 27,219.16 : x
  2. Step 2: Convert to fraction form
    39,816.28/54,879.42 = 27,219.16/x
  3. Step 3: Cross multiply
    39,816.28x = 54,879.42 × 27,219.16
  4. Step 4: Simplify right side
    39,816.28x = 1,493,771,713.69
  5. Step 5: Solve for x
    x = 1,493,771,713.69/39,816.28
  6. Step 6: Final answer
    x = 37,516.61

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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.