Home / 47,253.92-70,832.24-20,971.04

Finding the Fourth Proportional to 47,253.92, 70,832.24 and 20,971.04

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Solution

The fourth proportional to 47,253.92, 70,832.24 and 20,971.04 is: 31,434.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,253.92 : 70,832.24 = 20,971.04 : x
  2. Step 2: Convert to fraction form
    47,253.92/70,832.24 = 20,971.04/x
  3. Step 3: Cross multiply
    47,253.92x = 70,832.24 × 20,971.04
  4. Step 4: Simplify right side
    47,253.92x = 1,485,425,738.33
  5. Step 5: Solve for x
    x = 1,485,425,738.33/47,253.92
  6. Step 6: Final answer
    x = 31,434.97

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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.