Home / 33,933.90-46,835.01-21,192.78

Finding the Fourth Proportional to 33,933.90, 46,835.01 and 21,192.78

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Solution

The fourth proportional to 33,933.90, 46,835.01 and 21,192.78 is: 29,249.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,933.90 : 46,835.01 = 21,192.78 : x
  2. Step 2: Convert to fraction form
    33,933.90/46,835.01 = 21,192.78/x
  3. Step 3: Cross multiply
    33,933.90x = 46,835.01 × 21,192.78
  4. Step 4: Simplify right side
    33,933.90x = 992,564,063.23
  5. Step 5: Solve for x
    x = 992,564,063.23/33,933.90
  6. Step 6: Final answer
    x = 29,249.93

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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.