Home / 37,183.81-51,313.30-20,187.68

Finding the Fourth Proportional to 37,183.81, 51,313.30 and 20,187.68

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Solution

The fourth proportional to 37,183.81, 51,313.30 and 20,187.68 is: 27,858.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,183.81 : 51,313.30 = 20,187.68 : x
  2. Step 2: Convert to fraction form
    37,183.81/51,313.30 = 20,187.68/x
  3. Step 3: Cross multiply
    37,183.81x = 51,313.30 × 20,187.68
  4. Step 4: Simplify right side
    37,183.81x = 1,035,896,480.14
  5. Step 5: Solve for x
    x = 1,035,896,480.14/37,183.81
  6. Step 6: Final answer
    x = 27,858.80

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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.