Home / 55,394.30-76,443.73-30,243.80

Finding the Fourth Proportional to 55,394.30, 76,443.73 and 30,243.80

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Solution

The fourth proportional to 55,394.30, 76,443.73 and 30,243.80 is: 41,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,394.30 : 76,443.73 = 30,243.80 : x
  2. Step 2: Convert to fraction form
    55,394.30/76,443.73 = 30,243.80/x
  3. Step 3: Cross multiply
    55,394.30x = 76,443.73 × 30,243.80
  4. Step 4: Simplify right side
    55,394.30x = 2,311,948,996.87
  5. Step 5: Solve for x
    x = 2,311,948,996.87/55,394.30
  6. Step 6: Final answer
    x = 41,736.22

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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.