Home / 39,194.46-54,087.75-21,966.57

Finding the Fourth Proportional to 39,194.46, 54,087.75 and 21,966.57

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Solution

The fourth proportional to 39,194.46, 54,087.75 and 21,966.57 is: 30,313.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,194.46 : 54,087.75 = 21,966.57 : x
  2. Step 2: Convert to fraction form
    39,194.46/54,087.75 = 21,966.57/x
  3. Step 3: Cross multiply
    39,194.46x = 54,087.75 × 21,966.57
  4. Step 4: Simplify right side
    39,194.46x = 1,188,122,346.52
  5. Step 5: Solve for x
    x = 1,188,122,346.52/39,194.46
  6. Step 6: Final answer
    x = 30,313.53

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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.