Home / 31,161.60-46,744.83-15,375.11

Finding the Fourth Proportional to 31,161.60, 46,744.83 and 15,375.11

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Solution

The fourth proportional to 31,161.60, 46,744.83 and 15,375.11 is: 23,063.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161.60 : 46,744.83 = 15,375.11 : x
  2. Step 2: Convert to fraction form
    31,161.60/46,744.83 = 15,375.11/x
  3. Step 3: Cross multiply
    31,161.60x = 46,744.83 × 15,375.11
  4. Step 4: Simplify right side
    31,161.60x = 718,706,669.46
  5. Step 5: Solve for x
    x = 718,706,669.46/31,161.60
  6. Step 6: Final answer
    x = 23,063.86

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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.