Home / 36,936.42-50,966.30-21,021.12

Finding the Fourth Proportional to 36,936.42, 50,966.30 and 21,021.12

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Solution

The fourth proportional to 36,936.42, 50,966.30 and 21,021.12 is: 29,005.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,936.42 : 50,966.30 = 21,021.12 : x
  2. Step 2: Convert to fraction form
    36,936.42/50,966.30 = 21,021.12/x
  3. Step 3: Cross multiply
    36,936.42x = 50,966.30 × 21,021.12
  4. Step 4: Simplify right side
    36,936.42x = 1,071,368,708.26
  5. Step 5: Solve for x
    x = 1,071,368,708.26/36,936.42
  6. Step 6: Final answer
    x = 29,005.75

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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.