Home / 30,418.89-45,628.33-22,151.53

Finding the Fourth Proportional to 30,418.89, 45,628.33 and 22,151.53

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Solution

The fourth proportional to 30,418.89, 45,628.33 and 22,151.53 is: 33,227.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,418.89 : 45,628.33 = 22,151.53 : x
  2. Step 2: Convert to fraction form
    30,418.89/45,628.33 = 22,151.53/x
  3. Step 3: Cross multiply
    30,418.89x = 45,628.33 × 22,151.53
  4. Step 4: Simplify right side
    30,418.89x = 1,010,737,107.38
  5. Step 5: Solve for x
    x = 1,010,737,107.38/30,418.89
  6. Step 6: Final answer
    x = 33,227.28

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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.