Home / 47,736.42-71,632.38-19,659.30

Finding the Fourth Proportional to 47,736.42, 71,632.38 and 19,659.30

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Solution

The fourth proportional to 47,736.42, 71,632.38 and 19,659.30 is: 29,500.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,736.42 : 71,632.38 = 19,659.30 : x
  2. Step 2: Convert to fraction form
    47,736.42/71,632.38 = 19,659.30/x
  3. Step 3: Cross multiply
    47,736.42x = 71,632.38 × 19,659.30
  4. Step 4: Simplify right side
    47,736.42x = 1,408,242,448.13
  5. Step 5: Solve for x
    x = 1,408,242,448.13/47,736.42
  6. Step 6: Final answer
    x = 29,500.38

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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.