Home / 47,021.82-70,533.75-11,961.47

Finding the Fourth Proportional to 47,021.82, 70,533.75 and 11,961.47

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Solution

The fourth proportional to 47,021.82, 70,533.75 and 11,961.47 is: 17,942.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,021.82 : 70,533.75 = 11,961.47 : x
  2. Step 2: Convert to fraction form
    47,021.82/70,533.75 = 11,961.47/x
  3. Step 3: Cross multiply
    47,021.82x = 70,533.75 × 11,961.47
  4. Step 4: Simplify right side
    47,021.82x = 843,687,334.61
  5. Step 5: Solve for x
    x = 843,687,334.61/47,021.82
  6. Step 6: Final answer
    x = 17,942.46

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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.