Home / 39,226.56-54,132.75-21,321.54

Finding the Fourth Proportional to 39,226.56, 54,132.75 and 21,321.54

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Solution

The fourth proportional to 39,226.56, 54,132.75 and 21,321.54 is: 29,423.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,226.56 : 54,132.75 = 21,321.54 : x
  2. Step 2: Convert to fraction form
    39,226.56/54,132.75 = 21,321.54/x
  3. Step 3: Cross multiply
    39,226.56x = 54,132.75 × 21,321.54
  4. Step 4: Simplify right side
    39,226.56x = 1,154,193,594.44
  5. Step 5: Solve for x
    x = 1,154,193,594.44/39,226.56
  6. Step 6: Final answer
    x = 29,423.78

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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.