Home / 29,288.04-43,998.30-20,986.44

Finding the Fourth Proportional to 29,288.04, 43,998.30 and 20,986.44

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Solution

The fourth proportional to 29,288.04, 43,998.30 and 20,986.44 is: 31,527.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,288.04 : 43,998.30 = 20,986.44 : x
  2. Step 2: Convert to fraction form
    29,288.04/43,998.30 = 20,986.44/x
  3. Step 3: Cross multiply
    29,288.04x = 43,998.30 × 20,986.44
  4. Step 4: Simplify right side
    29,288.04x = 923,367,683.05
  5. Step 5: Solve for x
    x = 923,367,683.05/29,288.04
  6. Step 6: Final answer
    x = 31,527.12

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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.