Home / 20,674.38-30,999.83-14,108.52

Finding the Fourth Proportional to 20,674.38, 30,999.83 and 14,108.52

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Solution

The fourth proportional to 20,674.38, 30,999.83 and 14,108.52 is: 21,154.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,674.38 : 30,999.83 = 14,108.52 : x
  2. Step 2: Convert to fraction form
    20,674.38/30,999.83 = 14,108.52/x
  3. Step 3: Cross multiply
    20,674.38x = 30,999.83 × 14,108.52
  4. Step 4: Simplify right side
    20,674.38x = 437,361,651.01
  5. Step 5: Solve for x
    x = 437,361,651.01/20,674.38
  6. Step 6: Final answer
    x = 21,154.77

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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.