Home / 40,695.26-61,046.66-12,615.53

Finding the Fourth Proportional to 40,695.26, 61,046.66 and 12,615.53

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Solution

The fourth proportional to 40,695.26, 61,046.66 and 12,615.53 is: 18,924.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,695.26 : 61,046.66 = 12,615.53 : x
  2. Step 2: Convert to fraction form
    40,695.26/61,046.66 = 12,615.53/x
  3. Step 3: Cross multiply
    40,695.26x = 61,046.66 × 12,615.53
  4. Step 4: Simplify right side
    40,695.26x = 770,135,696.94
  5. Step 5: Solve for x
    x = 770,135,696.94/40,695.26
  6. Step 6: Final answer
    x = 18,924.46

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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.