Home / 31,940.24-44,031.88-22,479.44

Finding the Fourth Proportional to 31,940.24, 44,031.88 and 22,479.44

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Solution

The fourth proportional to 31,940.24, 44,031.88 and 22,479.44 is: 30,989.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,940.24 : 44,031.88 = 22,479.44 : x
  2. Step 2: Convert to fraction form
    31,940.24/44,031.88 = 22,479.44/x
  3. Step 3: Cross multiply
    31,940.24x = 44,031.88 × 22,479.44
  4. Step 4: Simplify right side
    31,940.24x = 989,812,004.55
  5. Step 5: Solve for x
    x = 989,812,004.55/31,940.24
  6. Step 6: Final answer
    x = 30,989.50

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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.