Home / 49,842.21-74,770.74-17,818.86

Finding the Fourth Proportional to 49,842.21, 74,770.74 and 17,818.86

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Solution

The fourth proportional to 49,842.21, 74,770.74 and 17,818.86 is: 26,730.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,842.21 : 74,770.74 = 17,818.86 : x
  2. Step 2: Convert to fraction form
    49,842.21/74,770.74 = 17,818.86/x
  3. Step 3: Cross multiply
    49,842.21x = 74,770.74 × 17,818.86
  4. Step 4: Simplify right side
    49,842.21x = 1,332,329,601.90
  5. Step 5: Solve for x
    x = 1,332,329,601.90/49,842.21
  6. Step 6: Final answer
    x = 26,730.95

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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.