Home / 32,511.78-44,838.18-21,177

Finding the Fourth Proportional to 32,511.78, 44,838.18 and 21,177

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Solution

The fourth proportional to 32,511.78, 44,838.18 and 21,177 is: 29,205.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,511.78 : 44,838.18 = 21,177 : x
  2. Step 2: Convert to fraction form
    32,511.78/44,838.18 = 21,177/x
  3. Step 3: Cross multiply
    32,511.78x = 44,838.18 × 21,177
  4. Step 4: Simplify right side
    32,511.78x = 949,538,137.86
  5. Step 5: Solve for x
    x = 949,538,137.86/32,511.78
  6. Step 6: Final answer
    x = 29,205.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.