Home / 33,823.34-46,665.62-20,398.70

Finding the Fourth Proportional to 33,823.34, 46,665.62 and 20,398.70

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Solution

The fourth proportional to 33,823.34, 46,665.62 and 20,398.70 is: 28,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,823.34 : 46,665.62 = 20,398.70 : x
  2. Step 2: Convert to fraction form
    33,823.34/46,665.62 = 20,398.70/x
  3. Step 3: Cross multiply
    33,823.34x = 46,665.62 × 20,398.70
  4. Step 4: Simplify right side
    33,823.34x = 951,917,982.69
  5. Step 5: Solve for x
    x = 951,917,982.69/33,823.34
  6. Step 6: Final answer
    x = 28,143.82

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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.