Home / 45,414.56-68,145.53-25,731.56

Finding the Fourth Proportional to 45,414.56, 68,145.53 and 25,731.56

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Solution

The fourth proportional to 45,414.56, 68,145.53 and 25,731.56 is: 38,610.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,414.56 : 68,145.53 = 25,731.56 : x
  2. Step 2: Convert to fraction form
    45,414.56/68,145.53 = 25,731.56/x
  3. Step 3: Cross multiply
    45,414.56x = 68,145.53 × 25,731.56
  4. Step 4: Simplify right side
    45,414.56x = 1,753,490,324.54
  5. Step 5: Solve for x
    x = 1,753,490,324.54/45,414.56
  6. Step 6: Final answer
    x = 38,610.76

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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.