Home / 51,961.84-77,911.52-20,334.17

Finding the Fourth Proportional to 51,961.84, 77,911.52 and 20,334.17

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Solution

The fourth proportional to 51,961.84, 77,911.52 and 20,334.17 is: 30,489.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,961.84 : 77,911.52 = 20,334.17 : x
  2. Step 2: Convert to fraction form
    51,961.84/77,911.52 = 20,334.17/x
  3. Step 3: Cross multiply
    51,961.84x = 77,911.52 × 20,334.17
  4. Step 4: Simplify right side
    51,961.84x = 1,584,266,092.64
  5. Step 5: Solve for x
    x = 1,584,266,092.64/51,961.84
  6. Step 6: Final answer
    x = 30,489.03

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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.