Home / 36,311.70-54,467.55-20,730.90

Finding the Fourth Proportional to 36,311.70, 54,467.55 and 20,730.90

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Solution

The fourth proportional to 36,311.70, 54,467.55 and 20,730.90 is: 31,096.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,311.70 : 54,467.55 = 20,730.90 : x
  2. Step 2: Convert to fraction form
    36,311.70/54,467.55 = 20,730.90/x
  3. Step 3: Cross multiply
    36,311.70x = 54,467.55 × 20,730.90
  4. Step 4: Simplify right side
    36,311.70x = 1,129,161,332.30
  5. Step 5: Solve for x
    x = 1,129,161,332.30/36,311.70
  6. Step 6: Final answer
    x = 31,096.35

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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.