Home / 45,520.40-68,301.24-20,546.96

Finding the Fourth Proportional to 45,520.40, 68,301.24 and 20,546.96

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Solution

The fourth proportional to 45,520.40, 68,301.24 and 20,546.96 is: 30,829.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,520.40 : 68,301.24 = 20,546.96 : x
  2. Step 2: Convert to fraction form
    45,520.40/68,301.24 = 20,546.96/x
  3. Step 3: Cross multiply
    45,520.40x = 68,301.24 × 20,546.96
  4. Step 4: Simplify right side
    45,520.40x = 1,403,382,846.23
  5. Step 5: Solve for x
    x = 1,403,382,846.23/45,520.40
  6. Step 6: Final answer
    x = 30,829.76

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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.