Home / 34,855.92-48,100.20-18,939.84

Finding the Fourth Proportional to 34,855.92, 48,100.20 and 18,939.84

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Solution

The fourth proportional to 34,855.92, 48,100.20 and 18,939.84 is: 26,136.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,855.92 : 48,100.20 = 18,939.84 : x
  2. Step 2: Convert to fraction form
    34,855.92/48,100.20 = 18,939.84/x
  3. Step 3: Cross multiply
    34,855.92x = 48,100.20 × 18,939.84
  4. Step 4: Simplify right side
    34,855.92x = 911,010,091.97
  5. Step 5: Solve for x
    x = 911,010,091.97/34,855.92
  6. Step 6: Final answer
    x = 26,136.45

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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.