Home / 63,912.74-95,873.97-21,779.78

Finding the Fourth Proportional to 63,912.74, 95,873.97 and 21,779.78

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Solution

The fourth proportional to 63,912.74, 95,873.97 and 21,779.78 is: 32,671.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,912.74 : 95,873.97 = 21,779.78 : x
  2. Step 2: Convert to fraction form
    63,912.74/95,873.97 = 21,779.78/x
  3. Step 3: Cross multiply
    63,912.74x = 95,873.97 × 21,779.78
  4. Step 4: Simplify right side
    63,912.74x = 2,088,113,974.33
  5. Step 5: Solve for x
    x = 2,088,113,974.33/63,912.74
  6. Step 6: Final answer
    x = 32,671.33

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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.