Home / 50,949.18-76,428.63-19,786.86

Finding the Fourth Proportional to 50,949.18, 76,428.63 and 19,786.86

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Solution

The fourth proportional to 50,949.18, 76,428.63 and 19,786.86 is: 29,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,949.18 : 76,428.63 = 19,786.86 : x
  2. Step 2: Convert to fraction form
    50,949.18/76,428.63 = 19,786.86/x
  3. Step 3: Cross multiply
    50,949.18x = 76,428.63 × 19,786.86
  4. Step 4: Simplify right side
    50,949.18x = 1,512,282,601.80
  5. Step 5: Solve for x
    x = 1,512,282,601.80/50,949.18
  6. Step 6: Final answer
    x = 29,682.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.