Home / 33,438.45-50,143.08-12,647.37

Finding the Fourth Proportional to 33,438.45, 50,143.08 and 12,647.37

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Solution

The fourth proportional to 33,438.45, 50,143.08 and 12,647.37 is: 18,965.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,438.45 : 50,143.08 = 12,647.37 : x
  2. Step 2: Convert to fraction form
    33,438.45/50,143.08 = 12,647.37/x
  3. Step 3: Cross multiply
    33,438.45x = 50,143.08 × 12,647.37
  4. Step 4: Simplify right side
    33,438.45x = 634,178,085.70
  5. Step 5: Solve for x
    x = 634,178,085.70/33,438.45
  6. Step 6: Final answer
    x = 18,965.53

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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.