Home / 36,936.06-50,972.04-21,021.72

Finding the Fourth Proportional to 36,936.06, 50,972.04 and 21,021.72

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Solution

The fourth proportional to 36,936.06, 50,972.04 and 21,021.72 is: 29,010.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,936.06 : 50,972.04 = 21,021.72 : x
  2. Step 2: Convert to fraction form
    36,936.06/50,972.04 = 21,021.72/x
  3. Step 3: Cross multiply
    36,936.06x = 50,972.04 × 21,021.72
  4. Step 4: Simplify right side
    36,936.06x = 1,071,519,952.71
  5. Step 5: Solve for x
    x = 1,071,519,952.71/36,936.06
  6. Step 6: Final answer
    x = 29,010.13

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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.