Home / 51,183.89-70,635.96-28,522.91

Finding the Fourth Proportional to 51,183.89, 70,635.96 and 28,522.91

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Solution

The fourth proportional to 51,183.89, 70,635.96 and 28,522.91 is: 39,362.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,183.89 : 70,635.96 = 28,522.91 : x
  2. Step 2: Convert to fraction form
    51,183.89/70,635.96 = 28,522.91/x
  3. Step 3: Cross multiply
    51,183.89x = 70,635.96 × 28,522.91
  4. Step 4: Simplify right side
    51,183.89x = 2,014,743,129.84
  5. Step 5: Solve for x
    x = 2,014,743,129.84/51,183.89
  6. Step 6: Final answer
    x = 39,362.84

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1.5x scale

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.