Home / 53,429.12-73,732.64-29,556.56

Finding the Fourth Proportional to 53,429.12, 73,732.64 and 29,556.56

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Solution

The fourth proportional to 53,429.12, 73,732.64 and 29,556.56 is: 40,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,429.12 : 73,732.64 = 29,556.56 : x
  2. Step 2: Convert to fraction form
    53,429.12/73,732.64 = 29,556.56/x
  3. Step 3: Cross multiply
    53,429.12x = 73,732.64 × 29,556.56
  4. Step 4: Simplify right side
    53,429.12x = 2,179,283,198.12
  5. Step 5: Solve for x
    x = 2,179,283,198.12/53,429.12
  6. Step 6: Final answer
    x = 40,788.30

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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.