Home / 31,106.25-46,645.65-8,914.59

Finding the Fourth Proportional to 31,106.25, 46,645.65 and 8,914.59

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Solution

The fourth proportional to 31,106.25, 46,645.65 and 8,914.59 is: 13,367.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,106.25 : 46,645.65 = 8,914.59 : x
  2. Step 2: Convert to fraction form
    31,106.25/46,645.65 = 8,914.59/x
  3. Step 3: Cross multiply
    31,106.25x = 46,645.65 × 8,914.59
  4. Step 4: Simplify right side
    31,106.25x = 415,826,983.93
  5. Step 5: Solve for x
    x = 415,826,983.93/31,106.25
  6. Step 6: Final answer
    x = 13,367.96

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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.