Home / 48,331.89-72,511.88-21,671.96

Finding the Fourth Proportional to 48,331.89, 72,511.88 and 21,671.96

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Solution

The fourth proportional to 48,331.89, 72,511.88 and 21,671.96 is: 32,514.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,331.89 : 72,511.88 = 21,671.96 : x
  2. Step 2: Convert to fraction form
    48,331.89/72,511.88 = 21,671.96/x
  3. Step 3: Cross multiply
    48,331.89x = 72,511.88 × 21,671.96
  4. Step 4: Simplify right side
    48,331.89x = 1,571,474,091.97
  5. Step 5: Solve for x
    x = 1,571,474,091.97/48,331.89
  6. Step 6: Final answer
    x = 32,514.23

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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.