Home / 40,619.58-60,907.04-12,531.97

Finding the Fourth Proportional to 40,619.58, 60,907.04 and 12,531.97

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Solution

The fourth proportional to 40,619.58, 60,907.04 and 12,531.97 is: 18,791.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,619.58 : 60,907.04 = 12,531.97 : x
  2. Step 2: Convert to fraction form
    40,619.58/60,907.04 = 12,531.97/x
  3. Step 3: Cross multiply
    40,619.58x = 60,907.04 × 12,531.97
  4. Step 4: Simplify right side
    40,619.58x = 763,284,915.94
  5. Step 5: Solve for x
    x = 763,284,915.94/40,619.58
  6. Step 6: Final answer
    x = 18,791.06

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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.