Home / 63,205.45-94,821.85-18,835.78

Finding the Fourth Proportional to 63,205.45, 94,821.85 and 18,835.78

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Solution

The fourth proportional to 63,205.45, 94,821.85 and 18,835.78 is: 28,257.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,205.45 : 94,821.85 = 18,835.78 : x
  2. Step 2: Convert to fraction form
    63,205.45/94,821.85 = 18,835.78/x
  3. Step 3: Cross multiply
    63,205.45x = 94,821.85 × 18,835.78
  4. Step 4: Simplify right side
    63,205.45x = 1,786,043,505.79
  5. Step 5: Solve for x
    x = 1,786,043,505.79/63,205.45
  6. Step 6: Final answer
    x = 28,257.75

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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.