Home / 51,660.66-77,464.07-18,375.89

Finding the Fourth Proportional to 51,660.66, 77,464.07 and 18,375.89

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Solution

The fourth proportional to 51,660.66, 77,464.07 and 18,375.89 is: 27,554.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,660.66 : 77,464.07 = 18,375.89 : x
  2. Step 2: Convert to fraction form
    51,660.66/77,464.07 = 18,375.89/x
  3. Step 3: Cross multiply
    51,660.66x = 77,464.07 × 18,375.89
  4. Step 4: Simplify right side
    51,660.66x = 1,423,471,137.39
  5. Step 5: Solve for x
    x = 1,423,471,137.39/51,660.66
  6. Step 6: Final answer
    x = 27,554.26

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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.