Home / 47,723.27-71,579.43-12,665.66

Finding the Fourth Proportional to 47,723.27, 71,579.43 and 12,665.66

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Solution

The fourth proportional to 47,723.27, 71,579.43 and 12,665.66 is: 18,997.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,723.27 : 71,579.43 = 12,665.66 : x
  2. Step 2: Convert to fraction form
    47,723.27/71,579.43 = 12,665.66/x
  3. Step 3: Cross multiply
    47,723.27x = 71,579.43 × 12,665.66
  4. Step 4: Simplify right side
    47,723.27x = 906,600,365.48
  5. Step 5: Solve for x
    x = 906,600,365.48/47,723.27
  6. Step 6: Final answer
    x = 18,997.03

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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.