Home / 31,269.60-43,152.75-17,122.68

Finding the Fourth Proportional to 31,269.60, 43,152.75 and 17,122.68

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Solution

The fourth proportional to 31,269.60, 43,152.75 and 17,122.68 is: 23,629.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,269.60 : 43,152.75 = 17,122.68 : x
  2. Step 2: Convert to fraction form
    31,269.60/43,152.75 = 17,122.68/x
  3. Step 3: Cross multiply
    31,269.60x = 43,152.75 × 17,122.68
  4. Step 4: Simplify right side
    31,269.60x = 738,890,729.37
  5. Step 5: Solve for x
    x = 738,890,729.37/31,269.60
  6. Step 6: Final answer
    x = 23,629.68

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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.