Home / 31,122.39-46,677.18-8,930.85

Finding the Fourth Proportional to 31,122.39, 46,677.18 and 8,930.85

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Solution

The fourth proportional to 31,122.39, 46,677.18 and 8,930.85 is: 13,394.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,122.39 : 46,677.18 = 8,930.85 : x
  2. Step 2: Convert to fraction form
    31,122.39/46,677.18 = 8,930.85/x
  3. Step 3: Cross multiply
    31,122.39x = 46,677.18 × 8,930.85
  4. Step 4: Simplify right side
    31,122.39x = 416,866,893.00
  5. Step 5: Solve for x
    x = 416,866,893.00/31,122.39
  6. Step 6: Final answer
    x = 13,394.44

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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.