Home / 51,206.20-76,809.30-50,878.60

Finding the Fourth Proportional to 51,206.20, 76,809.30 and 50,878.60

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Solution

The fourth proportional to 51,206.20, 76,809.30 and 50,878.60 is: 76,317.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,206.20 : 76,809.30 = 50,878.60 : x
  2. Step 2: Convert to fraction form
    51,206.20/76,809.30 = 50,878.60/x
  3. Step 3: Cross multiply
    51,206.20x = 76,809.30 × 50,878.60
  4. Step 4: Simplify right side
    51,206.20x = 3,907,949,650.98
  5. Step 5: Solve for x
    x = 3,907,949,650.98/51,206.20
  6. Step 6: Final answer
    x = 76,317.90

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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.