Home / 63,878.28-95,818.50-21,183.90

Finding the Fourth Proportional to 63,878.28, 95,818.50 and 21,183.90

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Solution

The fourth proportional to 63,878.28, 95,818.50 and 21,183.90 is: 31,776.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,878.28 : 95,818.50 = 21,183.90 : x
  2. Step 2: Convert to fraction form
    63,878.28/95,818.50 = 21,183.90/x
  3. Step 3: Cross multiply
    63,878.28x = 95,818.50 × 21,183.90
  4. Step 4: Simplify right side
    63,878.28x = 2,029,809,522.15
  5. Step 5: Solve for x
    x = 2,029,809,522.15/63,878.28
  6. Step 6: Final answer
    x = 31,776.21

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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.