Home / 45,431.20-62,694.60-25,287.76

Finding the Fourth Proportional to 45,431.20, 62,694.60 and 25,287.76

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Solution

The fourth proportional to 45,431.20, 62,694.60 and 25,287.76 is: 34,896.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,431.20 : 62,694.60 = 25,287.76 : x
  2. Step 2: Convert to fraction form
    45,431.20/62,694.60 = 25,287.76/x
  3. Step 3: Cross multiply
    45,431.20x = 62,694.60 × 25,287.76
  4. Step 4: Simplify right side
    45,431.20x = 1,585,405,998.10
  5. Step 5: Solve for x
    x = 1,585,405,998.10/45,431.20
  6. Step 6: Final answer
    x = 34,896.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.