Home / 49,835.88-68,771-28,325.07

Finding the Fourth Proportional to 49,835.88, 68,771 and 28,325.07

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Solution

The fourth proportional to 49,835.88, 68,771 and 28,325.07 is: 39,087.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,835.88 : 68,771 = 28,325.07 : x
  2. Step 2: Convert to fraction form
    49,835.88/68,771 = 28,325.07/x
  3. Step 3: Cross multiply
    49,835.88x = 68,771 × 28,325.07
  4. Step 4: Simplify right side
    49,835.88x = 1,947,943,388.97
  5. Step 5: Solve for x
    x = 1,947,943,388.97/49,835.88
  6. Step 6: Final answer
    x = 39,087.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.