Home / 30,391.35-41,959.62-19,076.37

Finding the Fourth Proportional to 30,391.35, 41,959.62 and 19,076.37

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Solution

The fourth proportional to 30,391.35, 41,959.62 and 19,076.37 is: 26,337.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,391.35 : 41,959.62 = 19,076.37 : x
  2. Step 2: Convert to fraction form
    30,391.35/41,959.62 = 19,076.37/x
  3. Step 3: Cross multiply
    30,391.35x = 41,959.62 × 19,076.37
  4. Step 4: Simplify right side
    30,391.35x = 800,437,236.18
  5. Step 5: Solve for x
    x = 800,437,236.18/30,391.35
  6. Step 6: Final answer
    x = 26,337.67

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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.