Home / 43,742.13-65,623.62-14,159.97

Finding the Fourth Proportional to 43,742.13, 65,623.62 and 14,159.97

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Solution

The fourth proportional to 43,742.13, 65,623.62 and 14,159.97 is: 21,243.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,742.13 : 65,623.62 = 14,159.97 : x
  2. Step 2: Convert to fraction form
    43,742.13/65,623.62 = 14,159.97/x
  3. Step 3: Cross multiply
    43,742.13x = 65,623.62 × 14,159.97
  4. Step 4: Simplify right side
    43,742.13x = 929,228,490.49
  5. Step 5: Solve for x
    x = 929,228,490.49/43,742.13
  6. Step 6: Final answer
    x = 21,243.33

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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.