Home / 30,096.20-41,512.20-20,648.36

Finding the Fourth Proportional to 30,096.20, 41,512.20 and 20,648.36

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Solution

The fourth proportional to 30,096.20, 41,512.20 and 20,648.36 is: 28,480.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,096.20 : 41,512.20 = 20,648.36 : x
  2. Step 2: Convert to fraction form
    30,096.20/41,512.20 = 20,648.36/x
  3. Step 3: Cross multiply
    30,096.20x = 41,512.20 × 20,648.36
  4. Step 4: Simplify right side
    30,096.20x = 857,158,849.99
  5. Step 5: Solve for x
    x = 857,158,849.99/30,096.20
  6. Step 6: Final answer
    x = 28,480.63

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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.