Home / 35,456.22-53,166.78-20,668.86

Finding the Fourth Proportional to 35,456.22, 53,166.78 and 20,668.86

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Solution

The fourth proportional to 35,456.22, 53,166.78 and 20,668.86 is: 30,993.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,456.22 : 53,166.78 = 20,668.86 : x
  2. Step 2: Convert to fraction form
    35,456.22/53,166.78 = 20,668.86/x
  3. Step 3: Cross multiply
    35,456.22x = 53,166.78 × 20,668.86
  4. Step 4: Simplify right side
    35,456.22x = 1,098,896,732.47
  5. Step 5: Solve for x
    x = 1,098,896,732.47/35,456.22
  6. Step 6: Final answer
    x = 30,993.06

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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.