Home / 51,355.76-76,977.10-33,579.09

Finding the Fourth Proportional to 51,355.76, 76,977.10 and 33,579.09

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Solution

The fourth proportional to 51,355.76, 76,977.10 and 33,579.09 is: 50,331.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,355.76 : 76,977.10 = 33,579.09 : x
  2. Step 2: Convert to fraction form
    51,355.76/76,977.10 = 33,579.09/x
  3. Step 3: Cross multiply
    51,355.76x = 76,977.10 × 33,579.09
  4. Step 4: Simplify right side
    51,355.76x = 2,584,821,010.81
  5. Step 5: Solve for x
    x = 2,584,821,010.81/51,355.76
  6. Step 6: Final answer
    x = 50,331.67

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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.