Home / 47,945.58-66,143.97-31,816.86

Finding the Fourth Proportional to 47,945.58, 66,143.97 and 31,816.86

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Solution

The fourth proportional to 47,945.58, 66,143.97 and 31,816.86 is: 43,893.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,945.58 : 66,143.97 = 31,816.86 : x
  2. Step 2: Convert to fraction form
    47,945.58/66,143.97 = 31,816.86/x
  3. Step 3: Cross multiply
    47,945.58x = 66,143.97 × 31,816.86
  4. Step 4: Simplify right side
    47,945.58x = 2,104,493,433.33
  5. Step 5: Solve for x
    x = 2,104,493,433.33/47,945.58
  6. Step 6: Final answer
    x = 43,893.38

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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.