Home / 31,154.36-46,732.55-8,968.86

Finding the Fourth Proportional to 31,154.36, 46,732.55 and 8,968.86

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Solution

The fourth proportional to 31,154.36, 46,732.55 and 8,968.86 is: 13,453.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,154.36 : 46,732.55 = 8,968.86 : x
  2. Step 2: Convert to fraction form
    31,154.36/46,732.55 = 8,968.86/x
  3. Step 3: Cross multiply
    31,154.36x = 46,732.55 × 8,968.86
  4. Step 4: Simplify right side
    31,154.36x = 419,137,653.55
  5. Step 5: Solve for x
    x = 419,137,653.55/31,154.36
  6. Step 6: Final answer
    x = 13,453.58

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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.