Home / 33,865.66-46,757.45-21,138.23

Finding the Fourth Proportional to 33,865.66, 46,757.45 and 21,138.23

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Solution

The fourth proportional to 33,865.66, 46,757.45 and 21,138.23 is: 29,185.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,865.66 : 46,757.45 = 21,138.23 : x
  2. Step 2: Convert to fraction form
    33,865.66/46,757.45 = 21,138.23/x
  3. Step 3: Cross multiply
    33,865.66x = 46,757.45 × 21,138.23
  4. Step 4: Simplify right side
    33,865.66x = 988,369,626.62
  5. Step 5: Solve for x
    x = 988,369,626.62/33,865.66
  6. Step 6: Final answer
    x = 29,185.01

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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.