Home / 36,628.20-54,942.30-21,042.18

Finding the Fourth Proportional to 36,628.20, 54,942.30 and 21,042.18

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Solution

The fourth proportional to 36,628.20, 54,942.30 and 21,042.18 is: 31,563.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,628.20 : 54,942.30 = 21,042.18 : x
  2. Step 2: Convert to fraction form
    36,628.20/54,942.30 = 21,042.18/x
  3. Step 3: Cross multiply
    36,628.20x = 54,942.30 × 21,042.18
  4. Step 4: Simplify right side
    36,628.20x = 1,156,105,766.21
  5. Step 5: Solve for x
    x = 1,156,105,766.21/36,628.20
  6. Step 6: Final answer
    x = 31,563.27

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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.