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Finding the Fourth Proportional to 30,822.74, 46,234.11 and 7,449.17

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Solution

The fourth proportional to 30,822.74, 46,234.11 and 7,449.17 is: 11,173.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,822.74 : 46,234.11 = 7,449.17 : x
  2. Step 2: Convert to fraction form
    30,822.74/46,234.11 = 7,449.17/x
  3. Step 3: Cross multiply
    30,822.74x = 46,234.11 × 7,449.17
  4. Step 4: Simplify right side
    30,822.74x = 344,405,745.19
  5. Step 5: Solve for x
    x = 344,405,745.19/30,822.74
  6. Step 6: Final answer
    x = 11,173.76

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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.