Home / 50,438.35-69,589.21-28,630.99

Finding the Fourth Proportional to 50,438.35, 69,589.21 and 28,630.99

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Solution

The fourth proportional to 50,438.35, 69,589.21 and 28,630.99 is: 39,501.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,438.35 : 69,589.21 = 28,630.99 : x
  2. Step 2: Convert to fraction form
    50,438.35/69,589.21 = 28,630.99/x
  3. Step 3: Cross multiply
    50,438.35x = 69,589.21 × 28,630.99
  4. Step 4: Simplify right side
    50,438.35x = 1,992,407,975.62
  5. Step 5: Solve for x
    x = 1,992,407,975.62/50,438.35
  6. Step 6: Final answer
    x = 39,501.85

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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.