Home / 31,195.06-46,797.45-18,712.15

Finding the Fourth Proportional to 31,195.06, 46,797.45 and 18,712.15

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Solution

The fourth proportional to 31,195.06, 46,797.45 and 18,712.15 is: 28,071.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,195.06 : 46,797.45 = 18,712.15 : x
  2. Step 2: Convert to fraction form
    31,195.06/46,797.45 = 18,712.15/x
  3. Step 3: Cross multiply
    31,195.06x = 46,797.45 × 18,712.15
  4. Step 4: Simplify right side
    31,195.06x = 875,680,716.85
  5. Step 5: Solve for x
    x = 875,680,716.85/31,195.06
  6. Step 6: Final answer
    x = 28,071.14

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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.