Home / 29,869.05-41,218.14-16,439.55

Finding the Fourth Proportional to 29,869.05, 41,218.14 and 16,439.55

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Solution

The fourth proportional to 29,869.05, 41,218.14 and 16,439.55 is: 22,685.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,869.05 : 41,218.14 = 16,439.55 : x
  2. Step 2: Convert to fraction form
    29,869.05/41,218.14 = 16,439.55/x
  3. Step 3: Cross multiply
    29,869.05x = 41,218.14 × 16,439.55
  4. Step 4: Simplify right side
    29,869.05x = 677,607,673.44
  5. Step 5: Solve for x
    x = 677,607,673.44/29,869.05
  6. Step 6: Final answer
    x = 22,685.95

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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.