Home / 51,301.92-76,944.60-19,697.34

Finding the Fourth Proportional to 51,301.92, 76,944.60 and 19,697.34

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Solution

The fourth proportional to 51,301.92, 76,944.60 and 19,697.34 is: 29,542.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,301.92 : 76,944.60 = 19,697.34 : x
  2. Step 2: Convert to fraction form
    51,301.92/76,944.60 = 19,697.34/x
  3. Step 3: Cross multiply
    51,301.92x = 76,944.60 × 19,697.34
  4. Step 4: Simplify right side
    51,301.92x = 1,515,603,947.36
  5. Step 5: Solve for x
    x = 1,515,603,947.36/51,301.92
  6. Step 6: Final answer
    x = 29,542.83

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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.