Home / 54,310.50-74,942.42-30,433.73

Finding the Fourth Proportional to 54,310.50, 74,942.42 and 30,433.73

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Solution

The fourth proportional to 54,310.50, 74,942.42 and 30,433.73 is: 41,995.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,310.50 : 74,942.42 = 30,433.73 : x
  2. Step 2: Convert to fraction form
    54,310.50/74,942.42 = 30,433.73/x
  3. Step 3: Cross multiply
    54,310.50x = 74,942.42 × 30,433.73
  4. Step 4: Simplify right side
    54,310.50x = 2,280,776,848.95
  5. Step 5: Solve for x
    x = 2,280,776,848.95/54,310.50
  6. Step 6: Final answer
    x = 41,995.14

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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.