Home / 54,117.33-81,177.39-25,647.64

Finding the Fourth Proportional to 54,117.33, 81,177.39 and 25,647.64

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Solution

The fourth proportional to 54,117.33, 81,177.39 and 25,647.64 is: 38,472.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,117.33 : 81,177.39 = 25,647.64 : x
  2. Step 2: Convert to fraction form
    54,117.33/81,177.39 = 25,647.64/x
  3. Step 3: Cross multiply
    54,117.33x = 81,177.39 × 25,647.64
  4. Step 4: Simplify right side
    54,117.33x = 2,082,008,271.92
  5. Step 5: Solve for x
    x = 2,082,008,271.92/54,117.33
  6. Step 6: Final answer
    x = 38,472.12

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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.