Home / 52,850.43-79,170.02-31,778.94

Finding the Fourth Proportional to 52,850.43, 79,170.02 and 31,778.94

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Solution

The fourth proportional to 52,850.43, 79,170.02 and 31,778.94 is: 47,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,850.43 : 79,170.02 = 31,778.94 : x
  2. Step 2: Convert to fraction form
    52,850.43/79,170.02 = 31,778.94/x
  3. Step 3: Cross multiply
    52,850.43x = 79,170.02 × 31,778.94
  4. Step 4: Simplify right side
    52,850.43x = 2,515,939,315.38
  5. Step 5: Solve for x
    x = 2,515,939,315.38/52,850.43
  6. Step 6: Final answer
    x = 47,604.90

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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.