Home / 33,438.85-46,160.46-21,355.17

Finding the Fourth Proportional to 33,438.85, 46,160.46 and 21,355.17

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Solution

The fourth proportional to 33,438.85, 46,160.46 and 21,355.17 is: 29,479.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,438.85 : 46,160.46 = 21,355.17 : x
  2. Step 2: Convert to fraction form
    33,438.85/46,160.46 = 21,355.17/x
  3. Step 3: Cross multiply
    33,438.85x = 46,160.46 × 21,355.17
  4. Step 4: Simplify right side
    33,438.85x = 985,764,470.58
  5. Step 5: Solve for x
    x = 985,764,470.58/33,438.85
  6. Step 6: Final answer
    x = 29,479.62

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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.