Home / 47,641.58-71,456.89-12,583.97

Finding the Fourth Proportional to 47,641.58, 71,456.89 and 12,583.97

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Solution

The fourth proportional to 47,641.58, 71,456.89 and 12,583.97 is: 18,874.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,641.58 : 71,456.89 = 12,583.97 : x
  2. Step 2: Convert to fraction form
    47,641.58/71,456.89 = 12,583.97/x
  3. Step 3: Cross multiply
    47,641.58x = 71,456.89 × 12,583.97
  4. Step 4: Simplify right side
    47,641.58x = 899,211,360.05
  5. Step 5: Solve for x
    x = 899,211,360.05/47,641.58
  6. Step 6: Final answer
    x = 18,874.51

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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.