Home / 51,169.05-76,720.57-21,578.94

Finding the Fourth Proportional to 51,169.05, 76,720.57 and 21,578.94

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Solution

The fourth proportional to 51,169.05, 76,720.57 and 21,578.94 is: 32,354.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,169.05 : 76,720.57 = 21,578.94 : x
  2. Step 2: Convert to fraction form
    51,169.05/76,720.57 = 21,578.94/x
  3. Step 3: Cross multiply
    51,169.05x = 76,720.57 × 21,578.94
  4. Step 4: Simplify right side
    51,169.05x = 1,655,548,522.85
  5. Step 5: Solve for x
    x = 1,655,548,522.85/51,169.05
  6. Step 6: Final answer
    x = 32,354.49

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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.