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Finding the Fourth Proportional to 32,760.95, 49,141.41 and 8,136.95

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Solution

The fourth proportional to 32,760.95, 49,141.41 and 8,136.95 is: 12,205.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,760.95 : 49,141.41 = 8,136.95 : x
  2. Step 2: Convert to fraction form
    32,760.95/49,141.41 = 8,136.95/x
  3. Step 3: Cross multiply
    32,760.95x = 49,141.41 × 8,136.95
  4. Step 4: Simplify right side
    32,760.95x = 399,860,950.39
  5. Step 5: Solve for x
    x = 399,860,950.39/32,760.95
  6. Step 6: Final answer
    x = 12,205.42

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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.