Home / 38,106.24-52,581.62-21,974.14

Finding the Fourth Proportional to 38,106.24, 52,581.62 and 21,974.14

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Solution

The fourth proportional to 38,106.24, 52,581.62 and 21,974.14 is: 30,321.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,106.24 : 52,581.62 = 21,974.14 : x
  2. Step 2: Convert to fraction form
    38,106.24/52,581.62 = 21,974.14/x
  3. Step 3: Cross multiply
    38,106.24x = 52,581.62 × 21,974.14
  4. Step 4: Simplify right side
    38,106.24x = 1,155,435,879.31
  5. Step 5: Solve for x
    x = 1,155,435,879.31/38,106.24
  6. Step 6: Final answer
    x = 30,321.44

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Double scale
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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.