Home / 28,694.49-43,050.11-12,045.75

Finding the Fourth Proportional to 28,694.49, 43,050.11 and 12,045.75

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Solution

The fourth proportional to 28,694.49, 43,050.11 and 12,045.75 is: 18,072.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,694.49 : 43,050.11 = 12,045.75 : x
  2. Step 2: Convert to fraction form
    28,694.49/43,050.11 = 12,045.75/x
  3. Step 3: Cross multiply
    28,694.49x = 43,050.11 × 12,045.75
  4. Step 4: Simplify right side
    28,694.49x = 518,570,802.30
  5. Step 5: Solve for x
    x = 518,570,802.30/28,694.49
  6. Step 6: Final answer
    x = 18,072.14

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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.