Home / 31,107.77-46,652.07-8,915.19

Finding the Fourth Proportional to 31,107.77, 46,652.07 and 8,915.19

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Solution

The fourth proportional to 31,107.77, 46,652.07 and 8,915.19 is: 13,370.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,107.77 : 46,652.07 = 8,915.19 : x
  2. Step 2: Convert to fraction form
    31,107.77/46,652.07 = 8,915.19/x
  3. Step 3: Cross multiply
    31,107.77x = 46,652.07 × 8,915.19
  4. Step 4: Simplify right side
    31,107.77x = 415,912,067.94
  5. Step 5: Solve for x
    x = 415,912,067.94/31,107.77
  6. Step 6: Final answer
    x = 13,370.04

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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.