Home / 33,634.47-46,398.20-21,678.87

Finding the Fourth Proportional to 33,634.47, 46,398.20 and 21,678.87

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Solution

The fourth proportional to 33,634.47, 46,398.20 and 21,678.87 is: 29,905.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,634.47 : 46,398.20 = 21,678.87 : x
  2. Step 2: Convert to fraction form
    33,634.47/46,398.20 = 21,678.87/x
  3. Step 3: Cross multiply
    33,634.47x = 46,398.20 × 21,678.87
  4. Step 4: Simplify right side
    33,634.47x = 1,005,860,546.03
  5. Step 5: Solve for x
    x = 1,005,860,546.03/33,634.47
  6. Step 6: Final answer
    x = 29,905.65

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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.