Home / 31,718.85-43,766.44-18,100.67

Finding the Fourth Proportional to 31,718.85, 43,766.44 and 18,100.67

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Solution

The fourth proportional to 31,718.85, 43,766.44 and 18,100.67 is: 24,975.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,718.85 : 43,766.44 = 18,100.67 : x
  2. Step 2: Convert to fraction form
    31,718.85/43,766.44 = 18,100.67/x
  3. Step 3: Cross multiply
    31,718.85x = 43,766.44 × 18,100.67
  4. Step 4: Simplify right side
    31,718.85x = 792,201,966.98
  5. Step 5: Solve for x
    x = 792,201,966.98/31,718.85
  6. Step 6: Final answer
    x = 24,975.75

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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.