Home / 51,065.64-76,589.82-14,121

Finding the Fourth Proportional to 51,065.64, 76,589.82 and 14,121

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Solution

The fourth proportional to 51,065.64, 76,589.82 and 14,121 is: 21,179.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,065.64 : 76,589.82 = 14,121 : x
  2. Step 2: Convert to fraction form
    51,065.64/76,589.82 = 14,121/x
  3. Step 3: Cross multiply
    51,065.64x = 76,589.82 × 14,121
  4. Step 4: Simplify right side
    51,065.64x = 1,081,524,848.22
  5. Step 5: Solve for x
    x = 1,081,524,848.22/51,065.64
  6. Step 6: Final answer
    x = 21,179.11

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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.