Home / 50,136.75-69,179.93-28,616.67

Finding the Fourth Proportional to 50,136.75, 69,179.93 and 28,616.67

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Solution

The fourth proportional to 50,136.75, 69,179.93 and 28,616.67 is: 39,485.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,136.75 : 69,179.93 = 28,616.67 : x
  2. Step 2: Convert to fraction form
    50,136.75/69,179.93 = 28,616.67/x
  3. Step 3: Cross multiply
    50,136.75x = 69,179.93 × 28,616.67
  4. Step 4: Simplify right side
    50,136.75x = 1,979,699,227.43
  5. Step 5: Solve for x
    x = 1,979,699,227.43/50,136.75
  6. Step 6: Final answer
    x = 39,485.99

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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.