Home / 40,006.45-60,047.34-20,299.15

Finding the Fourth Proportional to 40,006.45, 60,047.34 and 20,299.15

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Solution

The fourth proportional to 40,006.45, 60,047.34 and 20,299.15 is: 30,467.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,006.45 : 60,047.34 = 20,299.15 : x
  2. Step 2: Convert to fraction form
    40,006.45/60,047.34 = 20,299.15/x
  3. Step 3: Cross multiply
    40,006.45x = 60,047.34 × 20,299.15
  4. Step 4: Simplify right side
    40,006.45x = 1,218,910,074.88
  5. Step 5: Solve for x
    x = 1,218,910,074.88/40,006.45
  6. Step 6: Final answer
    x = 30,467.84

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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.