Home / 34,774.44-47,981.22-20,631.96

Finding the Fourth Proportional to 34,774.44, 47,981.22 and 20,631.96

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Solution

The fourth proportional to 34,774.44, 47,981.22 and 20,631.96 is: 28,467.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,774.44 : 47,981.22 = 20,631.96 : x
  2. Step 2: Convert to fraction form
    34,774.44/47,981.22 = 20,631.96/x
  3. Step 3: Cross multiply
    34,774.44x = 47,981.22 × 20,631.96
  4. Step 4: Simplify right side
    34,774.44x = 989,946,611.79
  5. Step 5: Solve for x
    x = 989,946,611.79/34,774.44
  6. Step 6: Final answer
    x = 28,467.65

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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.