Home / 38,792.92-53,540.32-22,879.12

Finding the Fourth Proportional to 38,792.92, 53,540.32 and 22,879.12

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Solution

The fourth proportional to 38,792.92, 53,540.32 and 22,879.12 is: 31,576.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,792.92 : 53,540.32 = 22,879.12 : x
  2. Step 2: Convert to fraction form
    38,792.92/53,540.32 = 22,879.12/x
  3. Step 3: Cross multiply
    38,792.92x = 53,540.32 × 22,879.12
  4. Step 4: Simplify right side
    38,792.92x = 1,224,955,406.12
  5. Step 5: Solve for x
    x = 1,224,955,406.12/38,792.92
  6. Step 6: Final answer
    x = 31,576.78

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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.