Home / 54,439.78-81,674.80-31,082.62

Finding the Fourth Proportional to 54,439.78, 81,674.80 and 31,082.62

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Solution

The fourth proportional to 54,439.78, 81,674.80 and 31,082.62 is: 46,632.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,439.78 : 81,674.80 = 31,082.62 : x
  2. Step 2: Convert to fraction form
    54,439.78/81,674.80 = 31,082.62/x
  3. Step 3: Cross multiply
    54,439.78x = 81,674.80 × 31,082.62
  4. Step 4: Simplify right side
    54,439.78x = 2,538,666,771.98
  5. Step 5: Solve for x
    x = 2,538,666,771.98/54,439.78
  6. Step 6: Final answer
    x = 46,632.57

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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.