Home / 54,109.96-74,668.40-30,238.44

Finding the Fourth Proportional to 54,109.96, 74,668.40 and 30,238.44

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Solution

The fourth proportional to 54,109.96, 74,668.40 and 30,238.44 is: 41,727.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,109.96 : 74,668.40 = 30,238.44 : x
  2. Step 2: Convert to fraction form
    54,109.96/74,668.40 = 30,238.44/x
  3. Step 3: Cross multiply
    54,109.96x = 74,668.40 × 30,238.44
  4. Step 4: Simplify right side
    54,109.96x = 2,257,855,933.30
  5. Step 5: Solve for x
    x = 2,257,855,933.30/54,109.96
  6. Step 6: Final answer
    x = 41,727.18

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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.