Home / 55,450.58-83,208.81-20,414.84

Finding the Fourth Proportional to 55,450.58, 83,208.81 and 20,414.84

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Solution

The fourth proportional to 55,450.58, 83,208.81 and 20,414.84 is: 30,634.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,450.58 : 83,208.81 = 20,414.84 : x
  2. Step 2: Convert to fraction form
    55,450.58/83,208.81 = 20,414.84/x
  3. Step 3: Cross multiply
    55,450.58x = 83,208.81 × 20,414.84
  4. Step 4: Simplify right side
    55,450.58x = 1,698,694,542.74
  5. Step 5: Solve for x
    x = 1,698,694,542.74/55,450.58
  6. Step 6: Final answer
    x = 30,634.39

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1.5x scale

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.