Home / 31,187.56-46,799.79-11,479.96

Finding the Fourth Proportional to 31,187.56, 46,799.79 and 11,479.96

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Solution

The fourth proportional to 31,187.56, 46,799.79 and 11,479.96 is: 17,226.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,187.56 : 46,799.79 = 11,479.96 : x
  2. Step 2: Convert to fraction form
    31,187.56/46,799.79 = 11,479.96/x
  3. Step 3: Cross multiply
    31,187.56x = 46,799.79 × 11,479.96
  4. Step 4: Simplify right side
    31,187.56x = 537,259,717.21
  5. Step 5: Solve for x
    x = 537,259,717.21/31,187.56
  6. Step 6: Final answer
    x = 17,226.73

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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.