Home / 31,091.31-46,636.97-7,717.75

Finding the Fourth Proportional to 31,091.31, 46,636.97 and 7,717.75

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Solution

The fourth proportional to 31,091.31, 46,636.97 and 7,717.75 is: 11,576.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,091.31 : 46,636.97 = 7,717.75 : x
  2. Step 2: Convert to fraction form
    31,091.31/46,636.97 = 7,717.75/x
  3. Step 3: Cross multiply
    31,091.31x = 46,636.97 × 7,717.75
  4. Step 4: Simplify right side
    31,091.31x = 359,932,320.04
  5. Step 5: Solve for x
    x = 359,932,320.04/31,091.31
  6. Step 6: Final answer
    x = 11,576.62

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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.