Home / 34,964.20-52,451.10-12,772.20

Finding the Fourth Proportional to 34,964.20, 52,451.10 and 12,772.20

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Solution

The fourth proportional to 34,964.20, 52,451.10 and 12,772.20 is: 19,160.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,964.20 : 52,451.10 = 12,772.20 : x
  2. Step 2: Convert to fraction form
    34,964.20/52,451.10 = 12,772.20/x
  3. Step 3: Cross multiply
    34,964.20x = 52,451.10 × 12,772.20
  4. Step 4: Simplify right side
    34,964.20x = 669,915,939.42
  5. Step 5: Solve for x
    x = 669,915,939.42/34,964.20
  6. Step 6: Final answer
    x = 19,160.05

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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.