Home / 69,940.05-104,888.20-30,457.41

Finding the Fourth Proportional to 69,940.05, 104,888.20 and 30,457.41

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Solution

The fourth proportional to 69,940.05, 104,888.20 and 30,457.41 is: 45,676.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,940.05 : 104,888.20 = 30,457.41 : x
  2. Step 2: Convert to fraction form
    69,940.05/104,888.20 = 30,457.41/x
  3. Step 3: Cross multiply
    69,940.05x = 104,888.20 × 30,457.41
  4. Step 4: Simplify right side
    69,940.05x = 3,194,622,911.56
  5. Step 5: Solve for x
    x = 3,194,622,911.56/69,940.05
  6. Step 6: Final answer
    x = 45,676.59

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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.