Home / 29,149.63-43,664.83-14,312.05

Finding the Fourth Proportional to 29,149.63, 43,664.83 and 14,312.05

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Solution

The fourth proportional to 29,149.63, 43,664.83 and 14,312.05 is: 21,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,149.63 : 43,664.83 = 14,312.05 : x
  2. Step 2: Convert to fraction form
    29,149.63/43,664.83 = 14,312.05/x
  3. Step 3: Cross multiply
    29,149.63x = 43,664.83 × 14,312.05
  4. Step 4: Simplify right side
    29,149.63x = 624,933,230.20
  5. Step 5: Solve for x
    x = 624,933,230.20/29,149.63
  6. Step 6: Final answer
    x = 21,438.80

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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.