Home / 38,183.70-57,317.46-30,336.66

Finding the Fourth Proportional to 38,183.70, 57,317.46 and 30,336.66

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Solution

The fourth proportional to 38,183.70, 57,317.46 and 30,336.66 is: 45,538.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,183.70 : 57,317.46 = 30,336.66 : x
  2. Step 2: Convert to fraction form
    38,183.70/57,317.46 = 30,336.66/x
  3. Step 3: Cross multiply
    38,183.70x = 57,317.46 × 30,336.66
  4. Step 4: Simplify right side
    38,183.70x = 1,738,820,182.32
  5. Step 5: Solve for x
    x = 1,738,820,182.32/38,183.70
  6. Step 6: Final answer
    x = 45,538.28

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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.