Home / 34,218.16-51,288.04-15,469.88

Finding the Fourth Proportional to 34,218.16, 51,288.04 and 15,469.88

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Solution

The fourth proportional to 34,218.16, 51,288.04 and 15,469.88 is: 23,187.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,218.16 : 51,288.04 = 15,469.88 : x
  2. Step 2: Convert to fraction form
    34,218.16/51,288.04 = 15,469.88/x
  3. Step 3: Cross multiply
    34,218.16x = 51,288.04 × 15,469.88
  4. Step 4: Simplify right side
    34,218.16x = 793,419,824.24
  5. Step 5: Solve for x
    x = 793,419,824.24/34,218.16
  6. Step 6: Final answer
    x = 23,187.10

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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.