Home / 55,445.15-83,180.79-18,002.36

Finding the Fourth Proportional to 55,445.15, 83,180.79 and 18,002.36

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Solution

The fourth proportional to 55,445.15, 83,180.79 and 18,002.36 is: 27,007.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,445.15 : 83,180.79 = 18,002.36 : x
  2. Step 2: Convert to fraction form
    55,445.15/83,180.79 = 18,002.36/x
  3. Step 3: Cross multiply
    55,445.15x = 83,180.79 × 18,002.36
  4. Step 4: Simplify right side
    55,445.15x = 1,497,450,734.62
  5. Step 5: Solve for x
    x = 1,497,450,734.62/55,445.15
  6. Step 6: Final answer
    x = 27,007.78

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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.