Home / 36,822.60-55,282.10-21,857.04

Finding the Fourth Proportional to 36,822.60, 55,282.10 and 21,857.04

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Solution

The fourth proportional to 36,822.60, 55,282.10 and 21,857.04 is: 32,814.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,822.60 : 55,282.10 = 21,857.04 : x
  2. Step 2: Convert to fraction form
    36,822.60/55,282.10 = 21,857.04/x
  3. Step 3: Cross multiply
    36,822.60x = 55,282.10 × 21,857.04
  4. Step 4: Simplify right side
    36,822.60x = 1,208,302,961.70
  5. Step 5: Solve for x
    x = 1,208,302,961.70/36,822.60
  6. Step 6: Final answer
    x = 32,814.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.