Home / 30,105.97-41,551.38-17,356.91

Finding the Fourth Proportional to 30,105.97, 41,551.38 and 17,356.91

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Solution

The fourth proportional to 30,105.97, 41,551.38 and 17,356.91 is: 23,955.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,105.97 : 41,551.38 = 17,356.91 : x
  2. Step 2: Convert to fraction form
    30,105.97/41,551.38 = 17,356.91/x
  3. Step 3: Cross multiply
    30,105.97x = 41,551.38 × 17,356.91
  4. Step 4: Simplify right side
    30,105.97x = 721,203,355.28
  5. Step 5: Solve for x
    x = 721,203,355.28/30,105.97
  6. Step 6: Final answer
    x = 23,955.50

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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.