Home / 30,267.89-41,790.26-18,941.96

Finding the Fourth Proportional to 30,267.89, 41,790.26 and 18,941.96

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Solution

The fourth proportional to 30,267.89, 41,790.26 and 18,941.96 is: 26,152.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,267.89 : 41,790.26 = 18,941.96 : x
  2. Step 2: Convert to fraction form
    30,267.89/41,790.26 = 18,941.96/x
  3. Step 3: Cross multiply
    30,267.89x = 41,790.26 × 18,941.96
  4. Step 4: Simplify right side
    30,267.89x = 791,589,585.14
  5. Step 5: Solve for x
    x = 791,589,585.14/30,267.89
  6. Step 6: Final answer
    x = 26,152.78

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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.