Home / 33,633.88-46,397.38-21,678.28

Finding the Fourth Proportional to 33,633.88, 46,397.38 and 21,678.28

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Solution

The fourth proportional to 33,633.88, 46,397.38 and 21,678.28 is: 29,904.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,633.88 : 46,397.38 = 21,678.28 : x
  2. Step 2: Convert to fraction form
    33,633.88/46,397.38 = 21,678.28/x
  3. Step 3: Cross multiply
    33,633.88x = 46,397.38 × 21,678.28
  4. Step 4: Simplify right side
    33,633.88x = 1,005,815,224.72
  5. Step 5: Solve for x
    x = 1,005,815,224.72/33,633.88
  6. Step 6: Final answer
    x = 29,904.83

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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.