Home / 33,436.60-50,138.70-18,629.80

Finding the Fourth Proportional to 33,436.60, 50,138.70 and 18,629.80

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Solution

The fourth proportional to 33,436.60, 50,138.70 and 18,629.80 is: 27,935.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,436.60 : 50,138.70 = 18,629.80 : x
  2. Step 2: Convert to fraction form
    33,436.60/50,138.70 = 18,629.80/x
  3. Step 3: Cross multiply
    33,436.60x = 50,138.70 × 18,629.80
  4. Step 4: Simplify right side
    33,436.60x = 934,073,953.26
  5. Step 5: Solve for x
    x = 934,073,953.26/33,436.60
  6. Step 6: Final answer
    x = 27,935.67

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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.