Home / 36,412.82-54,618.76-19,878.19

Finding the Fourth Proportional to 36,412.82, 54,618.76 and 19,878.19

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Solution

The fourth proportional to 36,412.82, 54,618.76 and 19,878.19 is: 29,817.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,412.82 : 54,618.76 = 19,878.19 : x
  2. Step 2: Convert to fraction form
    36,412.82/54,618.76 = 19,878.19/x
  3. Step 3: Cross multiply
    36,412.82x = 54,618.76 × 19,878.19
  4. Step 4: Simplify right side
    36,412.82x = 1,085,721,902.60
  5. Step 5: Solve for x
    x = 1,085,721,902.60/36,412.82
  6. Step 6: Final answer
    x = 29,817.03

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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.