Home / 51,982.91-77,960.52-14,540.66

Finding the Fourth Proportional to 51,982.91, 77,960.52 and 14,540.66

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Solution

The fourth proportional to 51,982.91, 77,960.52 and 14,540.66 is: 21,807.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,982.91 : 77,960.52 = 14,540.66 : x
  2. Step 2: Convert to fraction form
    51,982.91/77,960.52 = 14,540.66/x
  3. Step 3: Cross multiply
    51,982.91x = 77,960.52 × 14,540.66
  4. Step 4: Simplify right side
    51,982.91x = 1,133,597,024.94
  5. Step 5: Solve for x
    x = 1,133,597,024.94/51,982.91
  6. Step 6: Final answer
    x = 21,807.11

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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.