Home / 50,816.05-76,211.82-21,217.84

Finding the Fourth Proportional to 50,816.05, 76,211.82 and 21,217.84

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Solution

The fourth proportional to 50,816.05, 76,211.82 and 21,217.84 is: 31,821.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,816.05 : 76,211.82 = 21,217.84 : x
  2. Step 2: Convert to fraction form
    50,816.05/76,211.82 = 21,217.84/x
  3. Step 3: Cross multiply
    50,816.05x = 76,211.82 × 21,217.84
  4. Step 4: Simplify right side
    50,816.05x = 1,617,050,012.34
  5. Step 5: Solve for x
    x = 1,617,050,012.34/50,816.05
  6. Step 6: Final answer
    x = 31,821.64

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1.5x scale

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.