Home / 30,120.27-41,558.28-18,795.26

Finding the Fourth Proportional to 30,120.27, 41,558.28 and 18,795.26

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Solution

The fourth proportional to 30,120.27, 41,558.28 and 18,795.26 is: 25,932.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,120.27 : 41,558.28 = 18,795.26 : x
  2. Step 2: Convert to fraction form
    30,120.27/41,558.28 = 18,795.26/x
  3. Step 3: Cross multiply
    30,120.27x = 41,558.28 × 18,795.26
  4. Step 4: Simplify right side
    30,120.27x = 781,098,469.96
  5. Step 5: Solve for x
    x = 781,098,469.96/30,120.27
  6. Step 6: Final answer
    x = 25,932.65

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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.