Home / 31,185.86-43,024.26-19,228.44

Finding the Fourth Proportional to 31,185.86, 43,024.26 and 19,228.44

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Solution

The fourth proportional to 31,185.86, 43,024.26 and 19,228.44 is: 26,527.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,185.86 : 43,024.26 = 19,228.44 : x
  2. Step 2: Convert to fraction form
    31,185.86/43,024.26 = 19,228.44/x
  3. Step 3: Cross multiply
    31,185.86x = 43,024.26 × 19,228.44
  4. Step 4: Simplify right side
    31,185.86x = 827,289,401.95
  5. Step 5: Solve for x
    x = 827,289,401.95/31,185.86
  6. Step 6: Final answer
    x = 26,527.71

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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.