Home / 81,244.05-121,821.04-33,246.37

Finding the Fourth Proportional to 81,244.05, 121,821.04 and 33,246.37

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Solution

The fourth proportional to 81,244.05, 121,821.04 and 33,246.37 is: 49,851.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,244.05 : 121,821.04 = 33,246.37 : x
  2. Step 2: Convert to fraction form
    81,244.05/121,821.04 = 33,246.37/x
  3. Step 3: Cross multiply
    81,244.05x = 121,821.04 × 33,246.37
  4. Step 4: Simplify right side
    81,244.05x = 4,050,107,369.62
  5. Step 5: Solve for x
    x = 4,050,107,369.62/81,244.05
  6. Step 6: Final answer
    x = 49,851.13

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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.