Home / 45,352.27-68,043.99-20,409.79

Finding the Fourth Proportional to 45,352.27, 68,043.99 and 20,409.79

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Solution

The fourth proportional to 45,352.27, 68,043.99 and 20,409.79 is: 30,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,352.27 : 68,043.99 = 20,409.79 : x
  2. Step 2: Convert to fraction form
    45,352.27/68,043.99 = 20,409.79/x
  3. Step 3: Cross multiply
    45,352.27x = 68,043.99 × 20,409.79
  4. Step 4: Simplify right side
    45,352.27x = 1,388,763,546.66
  5. Step 5: Solve for x
    x = 1,388,763,546.66/45,352.27
  6. Step 6: Final answer
    x = 30,621.70

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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.