Home / 43,857.19-65,786.60-14,274.91

Finding the Fourth Proportional to 43,857.19, 65,786.60 and 14,274.91

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Solution

The fourth proportional to 43,857.19, 65,786.60 and 14,274.91 is: 21,412.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,857.19 : 65,786.60 = 14,274.91 : x
  2. Step 2: Convert to fraction form
    43,857.19/65,786.60 = 14,274.91/x
  3. Step 3: Cross multiply
    43,857.19x = 65,786.60 × 14,274.91
  4. Step 4: Simplify right side
    43,857.19x = 939,097,794.21
  5. Step 5: Solve for x
    x = 939,097,794.21/43,857.19
  6. Step 6: Final answer
    x = 21,412.63

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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.