Home / 54,072.24-81,050.88-31,896

Finding the Fourth Proportional to 54,072.24, 81,050.88 and 31,896

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Solution

The fourth proportional to 54,072.24, 81,050.88 and 31,896 is: 47,810.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,072.24 : 81,050.88 = 31,896 : x
  2. Step 2: Convert to fraction form
    54,072.24/81,050.88 = 31,896/x
  3. Step 3: Cross multiply
    54,072.24x = 81,050.88 × 31,896
  4. Step 4: Simplify right side
    54,072.24x = 2,585,198,868.48
  5. Step 5: Solve for x
    x = 2,585,198,868.48/54,072.24
  6. Step 6: Final answer
    x = 47,810.09

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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.