Home / 35,629.44-53,418.24-21,788.16

Finding the Fourth Proportional to 35,629.44, 53,418.24 and 21,788.16

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Solution

The fourth proportional to 35,629.44, 53,418.24 and 21,788.16 is: 32,666.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,629.44 : 53,418.24 = 21,788.16 : x
  2. Step 2: Convert to fraction form
    35,629.44/53,418.24 = 21,788.16/x
  3. Step 3: Cross multiply
    35,629.44x = 53,418.24 × 21,788.16
  4. Step 4: Simplify right side
    35,629.44x = 1,163,885,160.04
  5. Step 5: Solve for x
    x = 1,163,885,160.04/35,629.44
  6. Step 6: Final answer
    x = 32,666.39

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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.