Home / 50,821.47-76,206.17-21,231.27

Finding the Fourth Proportional to 50,821.47, 76,206.17 and 21,231.27

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Solution

The fourth proportional to 50,821.47, 76,206.17 and 21,231.27 is: 31,836.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,821.47 : 76,206.17 = 21,231.27 : x
  2. Step 2: Convert to fraction form
    50,821.47/76,206.17 = 21,231.27/x
  3. Step 3: Cross multiply
    50,821.47x = 76,206.17 × 21,231.27
  4. Step 4: Simplify right side
    50,821.47x = 1,617,953,664.78
  5. Step 5: Solve for x
    x = 1,617,953,664.78/50,821.47
  6. Step 6: Final answer
    x = 31,836.03

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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.