Home / 35,274.23-52,912.97-8,979.20

Finding the Fourth Proportional to 35,274.23, 52,912.97 and 8,979.20

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Solution

The fourth proportional to 35,274.23, 52,912.97 and 8,979.20 is: 13,469.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,274.23 : 52,912.97 = 8,979.20 : x
  2. Step 2: Convert to fraction form
    35,274.23/52,912.97 = 8,979.20/x
  3. Step 3: Cross multiply
    35,274.23x = 52,912.97 × 8,979.20
  4. Step 4: Simplify right side
    35,274.23x = 475,116,140.22
  5. Step 5: Solve for x
    x = 475,116,140.22/35,274.23
  6. Step 6: Final answer
    x = 13,469.21

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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.