Home / 51,277.97-76,913.32-13,840.18

Finding the Fourth Proportional to 51,277.97, 76,913.32 and 13,840.18

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Solution

The fourth proportional to 51,277.97, 76,913.32 and 13,840.18 is: 20,759.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,277.97 : 76,913.32 = 13,840.18 : x
  2. Step 2: Convert to fraction form
    51,277.97/76,913.32 = 13,840.18/x
  3. Step 3: Cross multiply
    51,277.97x = 76,913.32 × 13,840.18
  4. Step 4: Simplify right side
    51,277.97x = 1,064,493,739.43
  5. Step 5: Solve for x
    x = 1,064,493,739.43/51,277.97
  6. Step 6: Final answer
    x = 20,759.28

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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.