Home / 33,490.64-46,207.61-21,560.88

Finding the Fourth Proportional to 33,490.64, 46,207.61 and 21,560.88

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Solution

The fourth proportional to 33,490.64, 46,207.61 and 21,560.88 is: 29,747.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,490.64 : 46,207.61 = 21,560.88 : x
  2. Step 2: Convert to fraction form
    33,490.64/46,207.61 = 21,560.88/x
  3. Step 3: Cross multiply
    33,490.64x = 46,207.61 × 21,560.88
  4. Step 4: Simplify right side
    33,490.64x = 996,277,001.90
  5. Step 5: Solve for x
    x = 996,277,001.90/33,490.64
  6. Step 6: Final answer
    x = 29,747.92

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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.