Home / 45,843.83-68,769.08-15,845.68

Finding the Fourth Proportional to 45,843.83, 68,769.08 and 15,845.68

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Solution

The fourth proportional to 45,843.83, 68,769.08 and 15,845.68 is: 23,769.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,843.83 : 68,769.08 = 15,845.68 : x
  2. Step 2: Convert to fraction form
    45,843.83/68,769.08 = 15,845.68/x
  3. Step 3: Cross multiply
    45,843.83x = 68,769.08 × 15,845.68
  4. Step 4: Simplify right side
    45,843.83x = 1,089,692,835.57
  5. Step 5: Solve for x
    x = 1,089,692,835.57/45,843.83
  6. Step 6: Final answer
    x = 23,769.67

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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.