Home / 20,294.45-30,441.60-5,503.33

Finding the Fourth Proportional to 20,294.45, 30,441.60 and 5,503.33

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Solution

The fourth proportional to 20,294.45, 30,441.60 and 5,503.33 is: 8,254.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,294.45 : 30,441.60 = 5,503.33 : x
  2. Step 2: Convert to fraction form
    20,294.45/30,441.60 = 5,503.33/x
  3. Step 3: Cross multiply
    20,294.45x = 30,441.60 × 5,503.33
  4. Step 4: Simplify right side
    20,294.45x = 167,530,170.53
  5. Step 5: Solve for x
    x = 167,530,170.53/20,294.45
  6. Step 6: Final answer
    x = 8,254.97

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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.