Home / 30,809.11-46,193.74-12,091.02

Finding the Fourth Proportional to 30,809.11, 46,193.74 and 12,091.02

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Solution

The fourth proportional to 30,809.11, 46,193.74 and 12,091.02 is: 18,128.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,809.11 : 46,193.74 = 12,091.02 : x
  2. Step 2: Convert to fraction form
    30,809.11/46,193.74 = 12,091.02/x
  3. Step 3: Cross multiply
    30,809.11x = 46,193.74 × 12,091.02
  4. Step 4: Simplify right side
    30,809.11x = 558,529,558.61
  5. Step 5: Solve for x
    x = 558,529,558.61/30,809.11
  6. Step 6: Final answer
    x = 18,128.71

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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.