Home / 54,549.91-81,824.87-30,081.43

Finding the Fourth Proportional to 54,549.91, 81,824.87 and 30,081.43

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Solution

The fourth proportional to 54,549.91, 81,824.87 and 30,081.43 is: 45,122.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,549.91 : 81,824.87 = 30,081.43 : x
  2. Step 2: Convert to fraction form
    54,549.91/81,824.87 = 30,081.43/x
  3. Step 3: Cross multiply
    54,549.91x = 81,824.87 × 30,081.43
  4. Step 4: Simplify right side
    54,549.91x = 2,461,409,099.16
  5. Step 5: Solve for x
    x = 2,461,409,099.16/54,549.91
  6. Step 6: Final answer
    x = 45,122.15

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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.