Home / 51,221-76,844.46-14,285

Finding the Fourth Proportional to 51,221, 76,844.46 and 14,285

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Solution

The fourth proportional to 51,221, 76,844.46 and 14,285 is: 21,431.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,221 : 76,844.46 = 14,285 : x
  2. Step 2: Convert to fraction form
    51,221/76,844.46 = 14,285/x
  3. Step 3: Cross multiply
    51,221x = 76,844.46 × 14,285
  4. Step 4: Simplify right side
    51,221x = 1,097,723,111.10
  5. Step 5: Solve for x
    x = 1,097,723,111.10/51,221
  6. Step 6: Final answer
    x = 21,431.11

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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.