Home / 43,831-65,713.69-14,231.17

Finding the Fourth Proportional to 43,831, 65,713.69 and 14,231.17

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Solution

The fourth proportional to 43,831, 65,713.69 and 14,231.17 is: 21,336.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,831 : 65,713.69 = 14,231.17 : x
  2. Step 2: Convert to fraction form
    43,831/65,713.69 = 14,231.17/x
  3. Step 3: Cross multiply
    43,831x = 65,713.69 × 14,231.17
  4. Step 4: Simplify right side
    43,831x = 935,182,693.72
  5. Step 5: Solve for x
    x = 935,182,693.72/43,831
  6. Step 6: Final answer
    x = 21,336.10

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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.