Home / 40,769.34-61,147.45-11,180.31

Finding the Fourth Proportional to 40,769.34, 61,147.45 and 11,180.31

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Solution

The fourth proportional to 40,769.34, 61,147.45 and 11,180.31 is: 16,768.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,769.34 : 61,147.45 = 11,180.31 : x
  2. Step 2: Convert to fraction form
    40,769.34/61,147.45 = 11,180.31/x
  3. Step 3: Cross multiply
    40,769.34x = 61,147.45 × 11,180.31
  4. Step 4: Simplify right side
    40,769.34x = 683,647,446.71
  5. Step 5: Solve for x
    x = 683,647,446.71/40,769.34
  6. Step 6: Final answer
    x = 16,768.67

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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.