Home / 33,025.50-45,575.19-18,121.50

Finding the Fourth Proportional to 33,025.50, 45,575.19 and 18,121.50

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Solution

The fourth proportional to 33,025.50, 45,575.19 and 18,121.50 is: 25,007.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,025.50 : 45,575.19 = 18,121.50 : x
  2. Step 2: Convert to fraction form
    33,025.50/45,575.19 = 18,121.50/x
  3. Step 3: Cross multiply
    33,025.50x = 45,575.19 × 18,121.50
  4. Step 4: Simplify right side
    33,025.50x = 825,890,805.59
  5. Step 5: Solve for x
    x = 825,890,805.59/33,025.50
  6. Step 6: Final answer
    x = 25,007.67

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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.