Home / 49,519.85-74,286.38-14,459

Finding the Fourth Proportional to 49,519.85, 74,286.38 and 14,459

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Solution

The fourth proportional to 49,519.85, 74,286.38 and 14,459 is: 21,690.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,519.85 : 74,286.38 = 14,459 : x
  2. Step 2: Convert to fraction form
    49,519.85/74,286.38 = 14,459/x
  3. Step 3: Cross multiply
    49,519.85x = 74,286.38 × 14,459
  4. Step 4: Simplify right side
    49,519.85x = 1,074,106,768.42
  5. Step 5: Solve for x
    x = 1,074,106,768.42/49,519.85
  6. Step 6: Final answer
    x = 21,690.43

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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.