Home / 34,889.91-48,146.70-18,974.34

Finding the Fourth Proportional to 34,889.91, 48,146.70 and 18,974.34

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Solution

The fourth proportional to 34,889.91, 48,146.70 and 18,974.34 is: 26,183.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,889.91 : 48,146.70 = 18,974.34 : x
  2. Step 2: Convert to fraction form
    34,889.91/48,146.70 = 18,974.34/x
  3. Step 3: Cross multiply
    34,889.91x = 48,146.70 × 18,974.34
  4. Step 4: Simplify right side
    34,889.91x = 913,551,855.68
  5. Step 5: Solve for x
    x = 913,551,855.68/34,889.91
  6. Step 6: Final answer
    x = 26,183.84

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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.