Home / 47,672.45-71,524.11-28,717.64

Finding the Fourth Proportional to 47,672.45, 71,524.11 and 28,717.64

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Solution

The fourth proportional to 47,672.45, 71,524.11 and 28,717.64 is: 43,085.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,672.45 : 71,524.11 = 28,717.64 : x
  2. Step 2: Convert to fraction form
    47,672.45/71,524.11 = 28,717.64/x
  3. Step 3: Cross multiply
    47,672.45x = 71,524.11 × 28,717.64
  4. Step 4: Simplify right side
    47,672.45x = 2,054,003,660.59
  5. Step 5: Solve for x
    x = 2,054,003,660.59/47,672.45
  6. Step 6: Final answer
    x = 43,085.76

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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.