Home / 30,840.24-46,262.70-12,111.24

Finding the Fourth Proportional to 30,840.24, 46,262.70 and 12,111.24

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Solution

The fourth proportional to 30,840.24, 46,262.70 and 12,111.24 is: 18,167.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,840.24 : 46,262.70 = 12,111.24 : x
  2. Step 2: Convert to fraction form
    30,840.24/46,262.70 = 12,111.24/x
  3. Step 3: Cross multiply
    30,840.24x = 46,262.70 × 12,111.24
  4. Step 4: Simplify right side
    30,840.24x = 560,298,662.75
  5. Step 5: Solve for x
    x = 560,298,662.75/30,840.24
  6. Step 6: Final answer
    x = 18,167.78

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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.