Home / 51,288.15-76,965.87-18,007.35

Finding the Fourth Proportional to 51,288.15, 76,965.87 and 18,007.35

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Solution

The fourth proportional to 51,288.15, 76,965.87 and 18,007.35 is: 27,022.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,288.15 : 76,965.87 = 18,007.35 : x
  2. Step 2: Convert to fraction form
    51,288.15/76,965.87 = 18,007.35/x
  3. Step 3: Cross multiply
    51,288.15x = 76,965.87 × 18,007.35
  4. Step 4: Simplify right side
    51,288.15x = 1,385,951,359.14
  5. Step 5: Solve for x
    x = 1,385,951,359.14/51,288.15
  6. Step 6: Final answer
    x = 27,022.84

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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.