Home / 29,295.20-43,911.30-12,663.11

Finding the Fourth Proportional to 29,295.20, 43,911.30 and 12,663.11

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Solution

The fourth proportional to 29,295.20, 43,911.30 and 12,663.11 is: 18,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,295.20 : 43,911.30 = 12,663.11 : x
  2. Step 2: Convert to fraction form
    29,295.20/43,911.30 = 12,663.11/x
  3. Step 3: Cross multiply
    29,295.20x = 43,911.30 × 12,663.11
  4. Step 4: Simplify right side
    29,295.20x = 556,053,622.14
  5. Step 5: Solve for x
    x = 556,053,622.14/29,295.20
  6. Step 6: Final answer
    x = 18,981.05

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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.