Home / 36,402.75-54,604.06-20,809.44

Finding the Fourth Proportional to 36,402.75, 54,604.06 and 20,809.44

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Solution

The fourth proportional to 36,402.75, 54,604.06 and 20,809.44 is: 31,214.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,402.75 : 54,604.06 = 20,809.44 : x
  2. Step 2: Convert to fraction form
    36,402.75/54,604.06 = 20,809.44/x
  3. Step 3: Cross multiply
    36,402.75x = 54,604.06 × 20,809.44
  4. Step 4: Simplify right side
    36,402.75x = 1,136,279,858.30
  5. Step 5: Solve for x
    x = 1,136,279,858.30/36,402.75
  6. Step 6: Final answer
    x = 31,214.12

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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.