Home / 31,314.76-43,214.50-16,974.60

Finding the Fourth Proportional to 31,314.76, 43,214.50 and 16,974.60

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Solution

The fourth proportional to 31,314.76, 43,214.50 and 16,974.60 is: 23,425.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,314.76 : 43,214.50 = 16,974.60 : x
  2. Step 2: Convert to fraction form
    31,314.76/43,214.50 = 16,974.60/x
  3. Step 3: Cross multiply
    31,314.76x = 43,214.50 × 16,974.60
  4. Step 4: Simplify right side
    31,314.76x = 733,548,851.70
  5. Step 5: Solve for x
    x = 733,548,851.70/31,314.76
  6. Step 6: Final answer
    x = 23,425.02

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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.