Home / 51,183.36-76,858.38-31,586.49

Finding the Fourth Proportional to 51,183.36, 76,858.38 and 31,586.49

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Solution

The fourth proportional to 51,183.36, 76,858.38 and 31,586.49 is: 47,431.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,183.36 : 76,858.38 = 31,586.49 : x
  2. Step 2: Convert to fraction form
    51,183.36/76,858.38 = 31,586.49/x
  3. Step 3: Cross multiply
    51,183.36x = 76,858.38 × 31,586.49
  4. Step 4: Simplify right side
    51,183.36x = 2,427,686,451.29
  5. Step 5: Solve for x
    x = 2,427,686,451.29/51,183.36
  6. Step 6: Final answer
    x = 47,431.17

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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.