Home / 43,311.66-64,977.20-13,731.27

Finding the Fourth Proportional to 43,311.66, 64,977.20 and 13,731.27

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Solution

The fourth proportional to 43,311.66, 64,977.20 and 13,731.27 is: 20,599.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,311.66 : 64,977.20 = 13,731.27 : x
  2. Step 2: Convert to fraction form
    43,311.66/64,977.20 = 13,731.27/x
  3. Step 3: Cross multiply
    43,311.66x = 64,977.20 × 13,731.27
  4. Step 4: Simplify right side
    43,311.66x = 892,219,477.04
  5. Step 5: Solve for x
    x = 892,219,477.04/43,311.66
  6. Step 6: Final answer
    x = 20,599.98

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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.