Home / 54,220.50-81,330.75-17,284.50

Finding the Fourth Proportional to 54,220.50, 81,330.75 and 17,284.50

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Solution

The fourth proportional to 54,220.50, 81,330.75 and 17,284.50 is: 25,926.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,220.50 : 81,330.75 = 17,284.50 : x
  2. Step 2: Convert to fraction form
    54,220.50/81,330.75 = 17,284.50/x
  3. Step 3: Cross multiply
    54,220.50x = 81,330.75 × 17,284.50
  4. Step 4: Simplify right side
    54,220.50x = 1,405,761,348.38
  5. Step 5: Solve for x
    x = 1,405,761,348.38/54,220.50
  6. Step 6: Final answer
    x = 25,926.75

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Double scale
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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.