Home / 38,071.54-57,112.85-11,778.33

Finding the Fourth Proportional to 38,071.54, 57,112.85 and 11,778.33

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Solution

The fourth proportional to 38,071.54, 57,112.85 and 11,778.33 is: 17,669.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,071.54 : 57,112.85 = 11,778.33 : x
  2. Step 2: Convert to fraction form
    38,071.54/57,112.85 = 11,778.33/x
  3. Step 3: Cross multiply
    38,071.54x = 57,112.85 × 11,778.33
  4. Step 4: Simplify right side
    38,071.54x = 672,693,850.65
  5. Step 5: Solve for x
    x = 672,693,850.65/38,071.54
  6. Step 6: Final answer
    x = 17,669.21

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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.