Home / 31,160.91-46,730.43-8,968.32

Finding the Fourth Proportional to 31,160.91, 46,730.43 and 8,968.32

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Solution

The fourth proportional to 31,160.91, 46,730.43 and 8,968.32 is: 13,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,160.91 : 46,730.43 = 8,968.32 : x
  2. Step 2: Convert to fraction form
    31,160.91/46,730.43 = 8,968.32/x
  3. Step 3: Cross multiply
    31,160.91x = 46,730.43 × 8,968.32
  4. Step 4: Simplify right side
    31,160.91x = 419,093,449.98
  5. Step 5: Solve for x
    x = 419,093,449.98/31,160.91
  6. Step 6: Final answer
    x = 13,449.33

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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.