Home / 33,628.39-46,429.52-20,900.57

Finding the Fourth Proportional to 33,628.39, 46,429.52 and 20,900.57

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Solution

The fourth proportional to 33,628.39, 46,429.52 and 20,900.57 is: 28,856.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,628.39 : 46,429.52 = 20,900.57 : x
  2. Step 2: Convert to fraction form
    33,628.39/46,429.52 = 20,900.57/x
  3. Step 3: Cross multiply
    33,628.39x = 46,429.52 × 20,900.57
  4. Step 4: Simplify right side
    33,628.39x = 970,403,096.18
  5. Step 5: Solve for x
    x = 970,403,096.18/33,628.39
  6. Step 6: Final answer
    x = 28,856.66

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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.