Home / 33,438.60-50,141.70-18,631.80

Finding the Fourth Proportional to 33,438.60, 50,141.70 and 18,631.80

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Solution

The fourth proportional to 33,438.60, 50,141.70 and 18,631.80 is: 27,938.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,438.60 : 50,141.70 = 18,631.80 : x
  2. Step 2: Convert to fraction form
    33,438.60/50,141.70 = 18,631.80/x
  3. Step 3: Cross multiply
    33,438.60x = 50,141.70 × 18,631.80
  4. Step 4: Simplify right side
    33,438.60x = 934,230,126.06
  5. Step 5: Solve for x
    x = 934,230,126.06/33,438.60
  6. Step 6: Final answer
    x = 27,938.67

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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.