Home / 29,621.39-40,877.79-16,874.38

Finding the Fourth Proportional to 29,621.39, 40,877.79 and 16,874.38

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Solution

The fourth proportional to 29,621.39, 40,877.79 and 16,874.38 is: 23,286.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,621.39 : 40,877.79 = 16,874.38 : x
  2. Step 2: Convert to fraction form
    29,621.39/40,877.79 = 16,874.38/x
  3. Step 3: Cross multiply
    29,621.39x = 40,877.79 × 16,874.38
  4. Step 4: Simplify right side
    29,621.39x = 689,787,349.84
  5. Step 5: Solve for x
    x = 689,787,349.84/29,621.39
  6. Step 6: Final answer
    x = 23,286.80

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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.