Home / 34,289.20-51,336.60-30,401.20

Finding the Fourth Proportional to 34,289.20, 51,336.60 and 30,401.20

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Solution

The fourth proportional to 34,289.20, 51,336.60 and 30,401.20 is: 45,515.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,289.20 : 51,336.60 = 30,401.20 : x
  2. Step 2: Convert to fraction form
    34,289.20/51,336.60 = 30,401.20/x
  3. Step 3: Cross multiply
    34,289.20x = 51,336.60 × 30,401.20
  4. Step 4: Simplify right side
    34,289.20x = 1,560,694,243.92
  5. Step 5: Solve for x
    x = 1,560,694,243.92/34,289.20
  6. Step 6: Final answer
    x = 45,515.62

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1.5x scale

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.