Home / 43,791.30-65,686.91-14,209.13

Finding the Fourth Proportional to 43,791.30, 65,686.91 and 14,209.13

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Solution

The fourth proportional to 43,791.30, 65,686.91 and 14,209.13 is: 21,313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,791.30 : 65,686.91 = 14,209.13 : x
  2. Step 2: Convert to fraction form
    43,791.30/65,686.91 = 14,209.13/x
  3. Step 3: Cross multiply
    43,791.30x = 65,686.91 × 14,209.13
  4. Step 4: Simplify right side
    43,791.30x = 933,353,936.66
  5. Step 5: Solve for x
    x = 933,353,936.66/43,791.30
  6. Step 6: Final answer
    x = 21,313.68

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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.