Home / 31,824.42-47,736.66-8,450.28

Finding the Fourth Proportional to 31,824.42, 47,736.66 and 8,450.28

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Solution

The fourth proportional to 31,824.42, 47,736.66 and 8,450.28 is: 12,675.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,824.42 : 47,736.66 = 8,450.28 : x
  2. Step 2: Convert to fraction form
    31,824.42/47,736.66 = 8,450.28/x
  3. Step 3: Cross multiply
    31,824.42x = 47,736.66 × 8,450.28
  4. Step 4: Simplify right side
    31,824.42x = 403,388,143.26
  5. Step 5: Solve for x
    x = 403,388,143.26/31,824.42
  6. Step 6: Final answer
    x = 12,675.43

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1.5x scale

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.