Home / 54,555.39-81,833.09-17,121.24

Finding the Fourth Proportional to 54,555.39, 81,833.09 and 17,121.24

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Solution

The fourth proportional to 54,555.39, 81,833.09 and 17,121.24 is: 25,681.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,555.39 : 81,833.09 = 17,121.24 : x
  2. Step 2: Convert to fraction form
    54,555.39/81,833.09 = 17,121.24/x
  3. Step 3: Cross multiply
    54,555.39x = 81,833.09 × 17,121.24
  4. Step 4: Simplify right side
    54,555.39x = 1,401,083,888.23
  5. Step 5: Solve for x
    x = 1,401,083,888.23/54,555.39
  6. Step 6: Final answer
    x = 25,681.86

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Double scale
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Similar ratio
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1.5x scale

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.