Home / 29,017.25-43,529.02-12,379.04

Finding the Fourth Proportional to 29,017.25, 43,529.02 and 12,379.04

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Solution

The fourth proportional to 29,017.25, 43,529.02 and 12,379.04 is: 18,569.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,017.25 : 43,529.02 = 12,379.04 : x
  2. Step 2: Convert to fraction form
    29,017.25/43,529.02 = 12,379.04/x
  3. Step 3: Cross multiply
    29,017.25x = 43,529.02 × 12,379.04
  4. Step 4: Simplify right side
    29,017.25x = 538,847,557.62
  5. Step 5: Solve for x
    x = 538,847,557.62/29,017.25
  6. Step 6: Final answer
    x = 18,569.90

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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.