Home / 35,481.76-53,162.39-21,412.23

Finding the Fourth Proportional to 35,481.76, 53,162.39 and 21,412.23

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Solution

The fourth proportional to 35,481.76, 53,162.39 and 21,412.23 is: 32,081.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,481.76 : 53,162.39 = 21,412.23 : x
  2. Step 2: Convert to fraction form
    35,481.76/53,162.39 = 21,412.23/x
  3. Step 3: Cross multiply
    35,481.76x = 53,162.39 × 21,412.23
  4. Step 4: Simplify right side
    35,481.76x = 1,138,325,136.51
  5. Step 5: Solve for x
    x = 1,138,325,136.51/35,481.76
  6. Step 6: Final answer
    x = 32,081.98

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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.