Home / 20,789.34-31,179.46-5,995.04

Finding the Fourth Proportional to 20,789.34, 31,179.46 and 5,995.04

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Solution

The fourth proportional to 20,789.34, 31,179.46 and 5,995.04 is: 8,991.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,789.34 : 31,179.46 = 5,995.04 : x
  2. Step 2: Convert to fraction form
    20,789.34/31,179.46 = 5,995.04/x
  3. Step 3: Cross multiply
    20,789.34x = 31,179.46 × 5,995.04
  4. Step 4: Simplify right side
    20,789.34x = 186,922,109.88
  5. Step 5: Solve for x
    x = 186,922,109.88/20,789.34
  6. Step 6: Final answer
    x = 8,991.25

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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.