Home / 23,478.77-35,262.03-20,668.61

Finding the Fourth Proportional to 23,478.77, 35,262.03 and 20,668.61

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Solution

The fourth proportional to 23,478.77, 35,262.03 and 20,668.61 is: 31,041.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,478.77 : 35,262.03 = 20,668.61 : x
  2. Step 2: Convert to fraction form
    23,478.77/35,262.03 = 20,668.61/x
  3. Step 3: Cross multiply
    23,478.77x = 35,262.03 × 20,668.61
  4. Step 4: Simplify right side
    23,478.77x = 728,817,145.88
  5. Step 5: Solve for x
    x = 728,817,145.88/23,478.77
  6. Step 6: Final answer
    x = 31,041.54

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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.