Home / 45,998.25-68,974.88-18,975.56

Finding the Fourth Proportional to 45,998.25, 68,974.88 and 18,975.56

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Solution

The fourth proportional to 45,998.25, 68,974.88 and 18,975.56 is: 28,454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,998.25 : 68,974.88 = 18,975.56 : x
  2. Step 2: Convert to fraction form
    45,998.25/68,974.88 = 18,975.56/x
  3. Step 3: Cross multiply
    45,998.25x = 68,974.88 × 18,975.56
  4. Step 4: Simplify right side
    45,998.25x = 1,308,836,805.83
  5. Step 5: Solve for x
    x = 1,308,836,805.83/45,998.25
  6. Step 6: Final answer
    x = 28,454.06

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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.