Home / 52,922.63-79,363.91-21,321.96

Finding the Fourth Proportional to 52,922.63, 79,363.91 and 21,321.96

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Solution

The fourth proportional to 52,922.63, 79,363.91 and 21,321.96 is: 31,974.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,922.63 : 79,363.91 = 21,321.96 : x
  2. Step 2: Convert to fraction form
    52,922.63/79,363.91 = 21,321.96/x
  3. Step 3: Cross multiply
    52,922.63x = 79,363.91 × 21,321.96
  4. Step 4: Simplify right side
    52,922.63x = 1,692,194,007.85
  5. Step 5: Solve for x
    x = 1,692,194,007.85/52,922.63
  6. Step 6: Final answer
    x = 31,974.87

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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.