Home / 49,915.05-74,872.82-20,333.17

Finding the Fourth Proportional to 49,915.05, 74,872.82 and 20,333.17

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Solution

The fourth proportional to 49,915.05, 74,872.82 and 20,333.17 is: 30,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,915.05 : 74,872.82 = 20,333.17 : x
  2. Step 2: Convert to fraction form
    49,915.05/74,872.82 = 20,333.17/x
  3. Step 3: Cross multiply
    49,915.05x = 74,872.82 × 20,333.17
  4. Step 4: Simplify right side
    49,915.05x = 1,522,401,777.44
  5. Step 5: Solve for x
    x = 1,522,401,777.44/49,915.05
  6. Step 6: Final answer
    x = 30,499.85

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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.