Home / 54,221.43-74,811.33-31,245.60

Finding the Fourth Proportional to 54,221.43, 74,811.33 and 31,245.60

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Solution

The fourth proportional to 54,221.43, 74,811.33 and 31,245.60 is: 43,110.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,221.43 : 74,811.33 = 31,245.60 : x
  2. Step 2: Convert to fraction form
    54,221.43/74,811.33 = 31,245.60/x
  3. Step 3: Cross multiply
    54,221.43x = 74,811.33 × 31,245.60
  4. Step 4: Simplify right side
    54,221.43x = 2,337,524,892.65
  5. Step 5: Solve for x
    x = 2,337,524,892.65/54,221.43
  6. Step 6: Final answer
    x = 43,110.72

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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.