Home / 51,288.83-76,936.49-21,702.77

Finding the Fourth Proportional to 51,288.83, 76,936.49 and 21,702.77

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Solution

The fourth proportional to 51,288.83, 76,936.49 and 21,702.77 is: 32,555.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,288.83 : 76,936.49 = 21,702.77 : x
  2. Step 2: Convert to fraction form
    51,288.83/76,936.49 = 21,702.77/x
  3. Step 3: Cross multiply
    51,288.83x = 76,936.49 × 21,702.77
  4. Step 4: Simplify right side
    51,288.83x = 1,669,734,838.56
  5. Step 5: Solve for x
    x = 1,669,734,838.56/51,288.83
  6. Step 6: Final answer
    x = 32,555.53

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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.