Home / 54,324.60-81,438.30-35,613.60

Finding the Fourth Proportional to 54,324.60, 81,438.30 and 35,613.60

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Solution

The fourth proportional to 54,324.60, 81,438.30 and 35,613.60 is: 53,388.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,324.60 : 81,438.30 = 35,613.60 : x
  2. Step 2: Convert to fraction form
    54,324.60/81,438.30 = 35,613.60/x
  3. Step 3: Cross multiply
    54,324.60x = 81,438.30 × 35,613.60
  4. Step 4: Simplify right side
    54,324.60x = 2,900,311,040.88
  5. Step 5: Solve for x
    x = 2,900,311,040.88/54,324.60
  6. Step 6: Final answer
    x = 53,388.54

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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.