Home / 33,558.23-46,309.18-18,450.78

Finding the Fourth Proportional to 33,558.23, 46,309.18 and 18,450.78

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Solution

The fourth proportional to 33,558.23, 46,309.18 and 18,450.78 is: 25,461.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,558.23 : 46,309.18 = 18,450.78 : x
  2. Step 2: Convert to fraction form
    33,558.23/46,309.18 = 18,450.78/x
  3. Step 3: Cross multiply
    33,558.23x = 46,309.18 × 18,450.78
  4. Step 4: Simplify right side
    33,558.23x = 854,440,446.03
  5. Step 5: Solve for x
    x = 854,440,446.03/33,558.23
  6. Step 6: Final answer
    x = 25,461.43

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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.