Home / 33,664.97-46,487.57-20,939.96

Finding the Fourth Proportional to 33,664.97, 46,487.57 and 20,939.96

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Solution

The fourth proportional to 33,664.97, 46,487.57 and 20,939.96 is: 28,915.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,664.97 : 46,487.57 = 20,939.96 : x
  2. Step 2: Convert to fraction form
    33,664.97/46,487.57 = 20,939.96/x
  3. Step 3: Cross multiply
    33,664.97x = 46,487.57 × 20,939.96
  4. Step 4: Simplify right side
    33,664.97x = 973,447,867.82
  5. Step 5: Solve for x
    x = 973,447,867.82/33,664.97
  6. Step 6: Final answer
    x = 28,915.75

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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.