Home / 33,747.24-46,571.28-18,639.60

Finding the Fourth Proportional to 33,747.24, 46,571.28 and 18,639.60

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Solution

The fourth proportional to 33,747.24, 46,571.28 and 18,639.60 is: 25,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,747.24 : 46,571.28 = 18,639.60 : x
  2. Step 2: Convert to fraction form
    33,747.24/46,571.28 = 18,639.60/x
  3. Step 3: Cross multiply
    33,747.24x = 46,571.28 × 18,639.60
  4. Step 4: Simplify right side
    33,747.24x = 868,070,030.69
  5. Step 5: Solve for x
    x = 868,070,030.69/33,747.24
  6. Step 6: Final answer
    x = 25,722.70

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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.