Home / 37,399.75-51,608.06-20,631.67

Finding the Fourth Proportional to 37,399.75, 51,608.06 and 20,631.67

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Solution

The fourth proportional to 37,399.75, 51,608.06 and 20,631.67 is: 28,469.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,399.75 : 51,608.06 = 20,631.67 : x
  2. Step 2: Convert to fraction form
    37,399.75/51,608.06 = 20,631.67/x
  3. Step 3: Cross multiply
    37,399.75x = 51,608.06 × 20,631.67
  4. Step 4: Simplify right side
    37,399.75x = 1,064,760,463.26
  5. Step 5: Solve for x
    x = 1,064,760,463.26/37,399.75
  6. Step 6: Final answer
    x = 28,469.72

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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.