Home / 34,546.87-51,831.24-12,359.75

Finding the Fourth Proportional to 34,546.87, 51,831.24 and 12,359.75

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Solution

The fourth proportional to 34,546.87, 51,831.24 and 12,359.75 is: 18,543.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,546.87 : 51,831.24 = 12,359.75 : x
  2. Step 2: Convert to fraction form
    34,546.87/51,831.24 = 12,359.75/x
  3. Step 3: Cross multiply
    34,546.87x = 51,831.24 × 12,359.75
  4. Step 4: Simplify right side
    34,546.87x = 640,621,106.79
  5. Step 5: Solve for x
    x = 640,621,106.79/34,546.87
  6. Step 6: Final answer
    x = 18,543.54

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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.