Home / 33,753.60-46,581.12-21,185.28

Finding the Fourth Proportional to 33,753.60, 46,581.12 and 21,185.28

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Solution

The fourth proportional to 33,753.60, 46,581.12 and 21,185.28 is: 29,236.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,753.60 : 46,581.12 = 21,185.28 : x
  2. Step 2: Convert to fraction form
    33,753.60/46,581.12 = 21,185.28/x
  3. Step 3: Cross multiply
    33,753.60x = 46,581.12 × 21,185.28
  4. Step 4: Simplify right side
    33,753.60x = 986,834,069.91
  5. Step 5: Solve for x
    x = 986,834,069.91/33,753.60
  6. Step 6: Final answer
    x = 29,236.41

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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.