Home / 55,107.11-76,048.68-31,233.27

Finding the Fourth Proportional to 55,107.11, 76,048.68 and 31,233.27

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Solution

The fourth proportional to 55,107.11, 76,048.68 and 31,233.27 is: 43,102.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,107.11 : 76,048.68 = 31,233.27 : x
  2. Step 2: Convert to fraction form
    55,107.11/76,048.68 = 31,233.27/x
  3. Step 3: Cross multiply
    55,107.11x = 76,048.68 × 31,233.27
  4. Step 4: Simplify right side
    55,107.11x = 2,375,248,787.53
  5. Step 5: Solve for x
    x = 2,375,248,787.53/55,107.11
  6. Step 6: Final answer
    x = 43,102.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.