Home / 30,600.82-45,905.85-10,874.68

Finding the Fourth Proportional to 30,600.82, 45,905.85 and 10,874.68

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Solution

The fourth proportional to 30,600.82, 45,905.85 and 10,874.68 is: 16,313.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,600.82 : 45,905.85 = 10,874.68 : x
  2. Step 2: Convert to fraction form
    30,600.82/45,905.85 = 10,874.68/x
  3. Step 3: Cross multiply
    30,600.82x = 45,905.85 × 10,874.68
  4. Step 4: Simplify right side
    30,600.82x = 499,211,516.46
  5. Step 5: Solve for x
    x = 499,211,516.46/30,600.82
  6. Step 6: Final answer
    x = 16,313.67

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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.