Home / 31,003.30-46,517.10-11,283.85

Finding the Fourth Proportional to 31,003.30, 46,517.10 and 11,283.85

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Solution

The fourth proportional to 31,003.30, 46,517.10 and 11,283.85 is: 16,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,003.30 : 46,517.10 = 11,283.85 : x
  2. Step 2: Convert to fraction form
    31,003.30/46,517.10 = 11,283.85/x
  3. Step 3: Cross multiply
    31,003.30x = 46,517.10 × 11,283.85
  4. Step 4: Simplify right side
    31,003.30x = 524,891,978.84
  5. Step 5: Solve for x
    x = 524,891,978.84/31,003.30
  6. Step 6: Final answer
    x = 16,930.20

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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.