Home / 34,333.62-47,384.37-20,912.73

Finding the Fourth Proportional to 34,333.62, 47,384.37 and 20,912.73

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Solution

The fourth proportional to 34,333.62, 47,384.37 and 20,912.73 is: 28,861.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,333.62 : 47,384.37 = 20,912.73 : x
  2. Step 2: Convert to fraction form
    34,333.62/47,384.37 = 20,912.73/x
  3. Step 3: Cross multiply
    34,333.62x = 47,384.37 × 20,912.73
  4. Step 4: Simplify right side
    34,333.62x = 990,936,536.03
  5. Step 5: Solve for x
    x = 990,936,536.03/34,333.62
  6. Step 6: Final answer
    x = 28,861.99

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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.