Home / 49,890.77-74,850.20-21,813.29

Finding the Fourth Proportional to 49,890.77, 74,850.20 and 21,813.29

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Solution

The fourth proportional to 49,890.77, 74,850.20 and 21,813.29 is: 32,726.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,890.77 : 74,850.20 = 21,813.29 : x
  2. Step 2: Convert to fraction form
    49,890.77/74,850.20 = 21,813.29/x
  3. Step 3: Cross multiply
    49,890.77x = 74,850.20 × 21,813.29
  4. Step 4: Simplify right side
    49,890.77x = 1,632,729,010.09
  5. Step 5: Solve for x
    x = 1,632,729,010.09/49,890.77
  6. Step 6: Final answer
    x = 32,726.07

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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.