Home / 31,205.15-43,063.28-17,057.99

Finding the Fourth Proportional to 31,205.15, 43,063.28 and 17,057.99

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Solution

The fourth proportional to 31,205.15, 43,063.28 and 17,057.99 is: 23,540.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,205.15 : 43,063.28 = 17,057.99 : x
  2. Step 2: Convert to fraction form
    31,205.15/43,063.28 = 17,057.99/x
  3. Step 3: Cross multiply
    31,205.15x = 43,063.28 × 17,057.99
  4. Step 4: Simplify right side
    31,205.15x = 734,573,085.94
  5. Step 5: Solve for x
    x = 734,573,085.94/31,205.15
  6. Step 6: Final answer
    x = 23,540.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.