Home / 51,839.08-77,770.98-16,778.75

Finding the Fourth Proportional to 51,839.08, 77,770.98 and 16,778.75

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Solution

The fourth proportional to 51,839.08, 77,770.98 and 16,778.75 is: 25,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,839.08 : 77,770.98 = 16,778.75 : x
  2. Step 2: Convert to fraction form
    51,839.08/77,770.98 = 16,778.75/x
  3. Step 3: Cross multiply
    51,839.08x = 77,770.98 × 16,778.75
  4. Step 4: Simplify right side
    51,839.08x = 1,304,899,441.82
  5. Step 5: Solve for x
    x = 1,304,899,441.82/51,839.08
  6. Step 6: Final answer
    x = 25,172.12

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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.