Home / 45,431.18-68,144.26-15,851.09

Finding the Fourth Proportional to 45,431.18, 68,144.26 and 15,851.09

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Solution

The fourth proportional to 45,431.18, 68,144.26 and 15,851.09 is: 23,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,431.18 : 68,144.26 = 15,851.09 : x
  2. Step 2: Convert to fraction form
    45,431.18/68,144.26 = 15,851.09/x
  3. Step 3: Cross multiply
    45,431.18x = 68,144.26 × 15,851.09
  4. Step 4: Simplify right side
    45,431.18x = 1,080,161,003.28
  5. Step 5: Solve for x
    x = 1,080,161,003.28/45,431.18
  6. Step 6: Final answer
    x = 23,775.76

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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.