Home / 51,000.20-76,435.68-28,826

Finding the Fourth Proportional to 51,000.20, 76,435.68 and 28,826

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Solution

The fourth proportional to 51,000.20, 76,435.68 and 28,826 is: 43,202.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,000.20 : 76,435.68 = 28,826 : x
  2. Step 2: Convert to fraction form
    51,000.20/76,435.68 = 28,826/x
  3. Step 3: Cross multiply
    51,000.20x = 76,435.68 × 28,826
  4. Step 4: Simplify right side
    51,000.20x = 2,203,334,911.68
  5. Step 5: Solve for x
    x = 2,203,334,911.68/51,000.20
  6. Step 6: Final answer
    x = 43,202.48

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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.