Home / 31,302.14-46,954.92-7,928.78

Finding the Fourth Proportional to 31,302.14, 46,954.92 and 7,928.78

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Solution

The fourth proportional to 31,302.14, 46,954.92 and 7,928.78 is: 11,893.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,302.14 : 46,954.92 = 7,928.78 : x
  2. Step 2: Convert to fraction form
    31,302.14/46,954.92 = 7,928.78/x
  3. Step 3: Cross multiply
    31,302.14x = 46,954.92 × 7,928.78
  4. Step 4: Simplify right side
    31,302.14x = 372,295,377.72
  5. Step 5: Solve for x
    x = 372,295,377.72/31,302.14
  6. Step 6: Final answer
    x = 11,893.61

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1.5x scale

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.