Home / 30,722.27-42,399.92-18,793.54

Finding the Fourth Proportional to 30,722.27, 42,399.92 and 18,793.54

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Solution

The fourth proportional to 30,722.27, 42,399.92 and 18,793.54 is: 25,937.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,722.27 : 42,399.92 = 18,793.54 : x
  2. Step 2: Convert to fraction form
    30,722.27/42,399.92 = 18,793.54/x
  3. Step 3: Cross multiply
    30,722.27x = 42,399.92 × 18,793.54
  4. Step 4: Simplify right side
    30,722.27x = 796,844,392.55
  5. Step 5: Solve for x
    x = 796,844,392.55/30,722.27
  6. Step 6: Final answer
    x = 25,937.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.