Home / 54,186.88-74,777.92-30,313.56

Finding the Fourth Proportional to 54,186.88, 74,777.92 and 30,313.56

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Solution

The fourth proportional to 54,186.88, 74,777.92 and 30,313.56 is: 41,832.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,186.88 : 74,777.92 = 30,313.56 : x
  2. Step 2: Convert to fraction form
    54,186.88/74,777.92 = 30,313.56/x
  3. Step 3: Cross multiply
    54,186.88x = 74,777.92 × 30,313.56
  4. Step 4: Simplify right side
    54,186.88x = 2,266,784,964.60
  5. Step 5: Solve for x
    x = 2,266,784,964.60/54,186.88
  6. Step 6: Final answer
    x = 41,832.73

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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.