Home / 37,391.68-51,601.22-20,396.53

Finding the Fourth Proportional to 37,391.68, 51,601.22 and 20,396.53

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Solution

The fourth proportional to 37,391.68, 51,601.22 and 20,396.53 is: 28,147.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,391.68 : 51,601.22 = 20,396.53 : x
  2. Step 2: Convert to fraction form
    37,391.68/51,601.22 = 20,396.53/x
  3. Step 3: Cross multiply
    37,391.68x = 51,601.22 × 20,396.53
  4. Step 4: Simplify right side
    37,391.68x = 1,052,485,831.77
  5. Step 5: Solve for x
    x = 1,052,485,831.77/37,391.68
  6. Step 6: Final answer
    x = 28,147.59

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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.