Home / 45,321.29-68,004.97-20,356.25

Finding the Fourth Proportional to 45,321.29, 68,004.97 and 20,356.25

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Solution

The fourth proportional to 45,321.29, 68,004.97 and 20,356.25 is: 30,544.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,321.29 : 68,004.97 = 20,356.25 : x
  2. Step 2: Convert to fraction form
    45,321.29/68,004.97 = 20,356.25/x
  3. Step 3: Cross multiply
    45,321.29x = 68,004.97 × 20,356.25
  4. Step 4: Simplify right side
    45,321.29x = 1,384,326,170.56
  5. Step 5: Solve for x
    x = 1,384,326,170.56/45,321.29
  6. Step 6: Final answer
    x = 30,544.72

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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.