Home / 33,812.74-46,659.54-20,388.34

Finding the Fourth Proportional to 33,812.74, 46,659.54 and 20,388.34

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Solution

The fourth proportional to 33,812.74, 46,659.54 and 20,388.34 is: 28,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,812.74 : 46,659.54 = 20,388.34 : x
  2. Step 2: Convert to fraction form
    33,812.74/46,659.54 = 20,388.34/x
  3. Step 3: Cross multiply
    33,812.74x = 46,659.54 × 20,388.34
  4. Step 4: Simplify right side
    33,812.74x = 951,310,565.76
  5. Step 5: Solve for x
    x = 951,310,565.76/33,812.74
  6. Step 6: Final answer
    x = 28,134.68

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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.