Home / 36,524.40-54,844.20-20,972.40

Finding the Fourth Proportional to 36,524.40, 54,844.20 and 20,972.40

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Solution

The fourth proportional to 36,524.40, 54,844.20 and 20,972.40 is: 31,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,524.40 : 54,844.20 = 20,972.40 : x
  2. Step 2: Convert to fraction form
    36,524.40/54,844.20 = 20,972.40/x
  3. Step 3: Cross multiply
    36,524.40x = 54,844.20 × 20,972.40
  4. Step 4: Simplify right side
    36,524.40x = 1,150,214,500.08
  5. Step 5: Solve for x
    x = 1,150,214,500.08/36,524.40
  6. Step 6: Final answer
    x = 31,491.67

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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.