Home / 38,183.60-57,289.80-18,479.60

Finding the Fourth Proportional to 38,183.60, 57,289.80 and 18,479.60

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Solution

The fourth proportional to 38,183.60, 57,289.80 and 18,479.60 is: 27,726.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,183.60 : 57,289.80 = 18,479.60 : x
  2. Step 2: Convert to fraction form
    38,183.60/57,289.80 = 18,479.60/x
  3. Step 3: Cross multiply
    38,183.60x = 57,289.80 × 18,479.60
  4. Step 4: Simplify right side
    38,183.60x = 1,058,692,588.08
  5. Step 5: Solve for x
    x = 1,058,692,588.08/38,183.60
  6. Step 6: Final answer
    x = 27,726.37

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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.