Home / 51,181.56-70,629.40-28,520.44

Finding the Fourth Proportional to 51,181.56, 70,629.40 and 28,520.44

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Solution

The fourth proportional to 51,181.56, 70,629.40 and 28,520.44 is: 39,357.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,181.56 : 70,629.40 = 28,520.44 : x
  2. Step 2: Convert to fraction form
    51,181.56/70,629.40 = 28,520.44/x
  3. Step 3: Cross multiply
    51,181.56x = 70,629.40 × 28,520.44
  4. Step 4: Simplify right side
    51,181.56x = 2,014,381,564.94
  5. Step 5: Solve for x
    x = 2,014,381,564.94/51,181.56
  6. Step 6: Final answer
    x = 39,357.56

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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.