Home / 31,731.95-43,790.12-17,584.80

Finding the Fourth Proportional to 31,731.95, 43,790.12 and 17,584.80

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Solution

The fourth proportional to 31,731.95, 43,790.12 and 17,584.80 is: 24,267.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,731.95 : 43,790.12 = 17,584.80 : x
  2. Step 2: Convert to fraction form
    31,731.95/43,790.12 = 17,584.80/x
  3. Step 3: Cross multiply
    31,731.95x = 43,790.12 × 17,584.80
  4. Step 4: Simplify right side
    31,731.95x = 770,040,315.98
  5. Step 5: Solve for x
    x = 770,040,315.98/31,731.95
  6. Step 6: Final answer
    x = 24,267.03

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1.5x scale

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.