Home / 54,481.80-75,171.67-31,807.88

Finding the Fourth Proportional to 54,481.80, 75,171.67 and 31,807.88

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Solution

The fourth proportional to 54,481.80, 75,171.67 and 31,807.88 is: 43,887.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,481.80 : 75,171.67 = 31,807.88 : x
  2. Step 2: Convert to fraction form
    54,481.80/75,171.67 = 31,807.88/x
  3. Step 3: Cross multiply
    54,481.80x = 75,171.67 × 31,807.88
  4. Step 4: Simplify right side
    54,481.80x = 2,391,051,458.76
  5. Step 5: Solve for x
    x = 2,391,051,458.76/54,481.80
  6. Step 6: Final answer
    x = 43,887.16

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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.