Home / 45,503.76-68,286.39-15,921.85

Finding the Fourth Proportional to 45,503.76, 68,286.39 and 15,921.85

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Solution

The fourth proportional to 45,503.76, 68,286.39 and 15,921.85 is: 23,893.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,503.76 : 68,286.39 = 15,921.85 : x
  2. Step 2: Convert to fraction form
    45,503.76/68,286.39 = 15,921.85/x
  3. Step 3: Cross multiply
    45,503.76x = 68,286.39 × 15,921.85
  4. Step 4: Simplify right side
    45,503.76x = 1,087,245,556.24
  5. Step 5: Solve for x
    x = 1,087,245,556.24/45,503.76
  6. Step 6: Final answer
    x = 23,893.53

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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.