Home / 51,375.82-77,065.32-13,935.75

Finding the Fourth Proportional to 51,375.82, 77,065.32 and 13,935.75

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Solution

The fourth proportional to 51,375.82, 77,065.32 and 13,935.75 is: 20,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,375.82 : 77,065.32 = 13,935.75 : x
  2. Step 2: Convert to fraction form
    51,375.82/77,065.32 = 13,935.75/x
  3. Step 3: Cross multiply
    51,375.82x = 77,065.32 × 13,935.75
  4. Step 4: Simplify right side
    51,375.82x = 1,073,962,796.45
  5. Step 5: Solve for x
    x = 1,073,962,796.45/51,375.82
  6. Step 6: Final answer
    x = 20,904.05

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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.