Home / 38,168.26-57,258.51-11,879.08

Finding the Fourth Proportional to 38,168.26, 57,258.51 and 11,879.08

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Solution

The fourth proportional to 38,168.26, 57,258.51 and 11,879.08 is: 17,820.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,168.26 : 57,258.51 = 11,879.08 : x
  2. Step 2: Convert to fraction form
    38,168.26/57,258.51 = 11,879.08/x
  3. Step 3: Cross multiply
    38,168.26x = 57,258.51 × 11,879.08
  4. Step 4: Simplify right side
    38,168.26x = 680,178,420.97
  5. Step 5: Solve for x
    x = 680,178,420.97/38,168.26
  6. Step 6: Final answer
    x = 17,820.52

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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.