Home / 33,306.09-45,962.69-21,369.66

Finding the Fourth Proportional to 33,306.09, 45,962.69 and 21,369.66

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Solution

The fourth proportional to 33,306.09, 45,962.69 and 21,369.66 is: 29,490.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,306.09 : 45,962.69 = 21,369.66 : x
  2. Step 2: Convert to fraction form
    33,306.09/45,962.69 = 21,369.66/x
  3. Step 3: Cross multiply
    33,306.09x = 45,962.69 × 21,369.66
  4. Step 4: Simplify right side
    33,306.09x = 982,206,951.14
  5. Step 5: Solve for x
    x = 982,206,951.14/33,306.09
  6. Step 6: Final answer
    x = 29,490.31

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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.