Home / 54,947.01-75,839.24-31,081.37

Finding the Fourth Proportional to 54,947.01, 75,839.24 and 31,081.37

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Solution

The fourth proportional to 54,947.01, 75,839.24 and 31,081.37 is: 42,899.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,947.01 : 75,839.24 = 31,081.37 : x
  2. Step 2: Convert to fraction form
    54,947.01/75,839.24 = 31,081.37/x
  3. Step 3: Cross multiply
    54,947.01x = 75,839.24 × 31,081.37
  4. Step 4: Simplify right side
    54,947.01x = 2,357,187,429.23
  5. Step 5: Solve for x
    x = 2,357,187,429.23/54,947.01
  6. Step 6: Final answer
    x = 42,899.29

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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.