Home / 29,239.20-43,866.08-8,462.72

Finding the Fourth Proportional to 29,239.20, 43,866.08 and 8,462.72

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Solution

The fourth proportional to 29,239.20, 43,866.08 and 8,462.72 is: 12,696.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,239.20 : 43,866.08 = 8,462.72 : x
  2. Step 2: Convert to fraction form
    29,239.20/43,866.08 = 8,462.72/x
  3. Step 3: Cross multiply
    29,239.20x = 43,866.08 × 8,462.72
  4. Step 4: Simplify right side
    29,239.20x = 371,226,352.54
  5. Step 5: Solve for x
    x = 371,226,352.54/29,239.20
  6. Step 6: Final answer
    x = 12,696.19

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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.