Home / 31,512.96-43,485.83-17,365.80

Finding the Fourth Proportional to 31,512.96, 43,485.83 and 17,365.80

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Solution

The fourth proportional to 31,512.96, 43,485.83 and 17,365.80 is: 23,963.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512.96 : 43,485.83 = 17,365.80 : x
  2. Step 2: Convert to fraction form
    31,512.96/43,485.83 = 17,365.80/x
  3. Step 3: Cross multiply
    31,512.96x = 43,485.83 × 17,365.80
  4. Step 4: Simplify right side
    31,512.96x = 755,166,226.61
  5. Step 5: Solve for x
    x = 755,166,226.61/31,512.96
  6. Step 6: Final answer
    x = 23,963.67

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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.