Home / 33,989.12-46,922.04-21,249.38

Finding the Fourth Proportional to 33,989.12, 46,922.04 and 21,249.38

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Solution

The fourth proportional to 33,989.12, 46,922.04 and 21,249.38 is: 29,334.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,989.12 : 46,922.04 = 21,249.38 : x
  2. Step 2: Convert to fraction form
    33,989.12/46,922.04 = 21,249.38/x
  3. Step 3: Cross multiply
    33,989.12x = 46,922.04 × 21,249.38
  4. Step 4: Simplify right side
    33,989.12x = 997,064,258.34
  5. Step 5: Solve for x
    x = 997,064,258.34/33,989.12
  6. Step 6: Final answer
    x = 29,334.81

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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.