Home / 68,450.58-94,463.37-38,235.78

Finding the Fourth Proportional to 68,450.58, 94,463.37 and 38,235.78

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Solution

The fourth proportional to 68,450.58, 94,463.37 and 38,235.78 is: 52,766.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,450.58 : 94,463.37 = 38,235.78 : x
  2. Step 2: Convert to fraction form
    68,450.58/94,463.37 = 38,235.78/x
  3. Step 3: Cross multiply
    68,450.58x = 94,463.37 × 38,235.78
  4. Step 4: Simplify right side
    68,450.58x = 3,611,880,633.38
  5. Step 5: Solve for x
    x = 3,611,880,633.38/68,450.58
  6. Step 6: Final answer
    x = 52,766.25

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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.