Home / 47,027.52-70,553.16-20,739.60

Finding the Fourth Proportional to 47,027.52, 70,553.16 and 20,739.60

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Solution

The fourth proportional to 47,027.52, 70,553.16 and 20,739.60 is: 31,114.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,027.52 : 70,553.16 = 20,739.60 : x
  2. Step 2: Convert to fraction form
    47,027.52/70,553.16 = 20,739.60/x
  3. Step 3: Cross multiply
    47,027.52x = 70,553.16 × 20,739.60
  4. Step 4: Simplify right side
    47,027.52x = 1,463,244,317.14
  5. Step 5: Solve for x
    x = 1,463,244,317.14/47,027.52
  6. Step 6: Final answer
    x = 31,114.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.