Home / 45,850.80-68,768.85-12,563.12

Finding the Fourth Proportional to 45,850.80, 68,768.85 and 12,563.12

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Solution

The fourth proportional to 45,850.80, 68,768.85 and 12,563.12 is: 18,842.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,850.80 : 68,768.85 = 12,563.12 : x
  2. Step 2: Convert to fraction form
    45,850.80/68,768.85 = 12,563.12/x
  3. Step 3: Cross multiply
    45,850.80x = 68,768.85 × 12,563.12
  4. Step 4: Simplify right side
    45,850.80x = 863,951,221.41
  5. Step 5: Solve for x
    x = 863,951,221.41/45,850.80
  6. Step 6: Final answer
    x = 18,842.67

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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.