Home / 54,410.67-75,090.31-30,538.96

Finding the Fourth Proportional to 54,410.67, 75,090.31 and 30,538.96

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Solution

The fourth proportional to 54,410.67, 75,090.31 and 30,538.96 is: 42,145.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,410.67 : 75,090.31 = 30,538.96 : x
  2. Step 2: Convert to fraction form
    54,410.67/75,090.31 = 30,538.96/x
  3. Step 3: Cross multiply
    54,410.67x = 75,090.31 × 30,538.96
  4. Step 4: Simplify right side
    54,410.67x = 2,293,179,709.40
  5. Step 5: Solve for x
    x = 2,293,179,709.40/54,410.67
  6. Step 6: Final answer
    x = 42,145.77

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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.