Home / 54,687.05-75,462.72-30,817.97

Finding the Fourth Proportional to 54,687.05, 75,462.72 and 30,817.97

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Solution

The fourth proportional to 54,687.05, 75,462.72 and 30,817.97 is: 42,525.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,687.05 : 75,462.72 = 30,817.97 : x
  2. Step 2: Convert to fraction form
    54,687.05/75,462.72 = 30,817.97/x
  3. Step 3: Cross multiply
    54,687.05x = 75,462.72 × 30,817.97
  4. Step 4: Simplify right side
    54,687.05x = 2,325,607,463.76
  5. Step 5: Solve for x
    x = 2,325,607,463.76/54,687.05
  6. Step 6: Final answer
    x = 42,525.75

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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.