Home / 31,674.48-47,517.12-11,955.84

Finding the Fourth Proportional to 31,674.48, 47,517.12 and 11,955.84

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Solution

The fourth proportional to 31,674.48, 47,517.12 and 11,955.84 is: 17,935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,674.48 : 47,517.12 = 11,955.84 : x
  2. Step 2: Convert to fraction form
    31,674.48/47,517.12 = 11,955.84/x
  3. Step 3: Cross multiply
    31,674.48x = 47,517.12 × 11,955.84
  4. Step 4: Simplify right side
    31,674.48x = 568,107,083.98
  5. Step 5: Solve for x
    x = 568,107,083.98/31,674.48
  6. Step 6: Final answer
    x = 17,935.80

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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.