Home / 37,183.55-51,313.01-20,187.45

Finding the Fourth Proportional to 37,183.55, 51,313.01 and 20,187.45

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Solution

The fourth proportional to 37,183.55, 51,313.01 and 20,187.45 is: 27,858.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,183.55 : 51,313.01 = 20,187.45 : x
  2. Step 2: Convert to fraction form
    37,183.55/51,313.01 = 20,187.45/x
  3. Step 3: Cross multiply
    37,183.55x = 51,313.01 × 20,187.45
  4. Step 4: Simplify right side
    37,183.55x = 1,035,878,959.37
  5. Step 5: Solve for x
    x = 1,035,878,959.37/37,183.55
  6. Step 6: Final answer
    x = 27,858.53

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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.