Home / 36,836.65-50,845.76-21,728.13

Finding the Fourth Proportional to 36,836.65, 50,845.76 and 21,728.13

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Solution

The fourth proportional to 36,836.65, 50,845.76 and 21,728.13 is: 29,991.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,836.65 : 50,845.76 = 21,728.13 : x
  2. Step 2: Convert to fraction form
    36,836.65/50,845.76 = 21,728.13/x
  3. Step 3: Cross multiply
    36,836.65x = 50,845.76 × 21,728.13
  4. Step 4: Simplify right side
    36,836.65x = 1,104,783,283.23
  5. Step 5: Solve for x
    x = 1,104,783,283.23/36,836.65
  6. Step 6: Final answer
    x = 29,991.42

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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.