Home / 74,273.11-111,401.76-20,963.77

Finding the Fourth Proportional to 74,273.11, 111,401.76 and 20,963.77

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Solution

The fourth proportional to 74,273.11, 111,401.76 and 20,963.77 is: 31,443.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,273.11 : 111,401.76 = 20,963.77 : x
  2. Step 2: Convert to fraction form
    74,273.11/111,401.76 = 20,963.77/x
  3. Step 3: Cross multiply
    74,273.11x = 111,401.76 × 20,963.77
  4. Step 4: Simplify right side
    74,273.11x = 2,335,400,874.24
  5. Step 5: Solve for x
    x = 2,335,400,874.24/74,273.11
  6. Step 6: Final answer
    x = 31,443.42

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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.