Home / 51,282.30-76,904.66-21,702.44

Finding the Fourth Proportional to 51,282.30, 76,904.66 and 21,702.44

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Solution

The fourth proportional to 51,282.30, 76,904.66 and 21,702.44 is: 32,545.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,282.30 : 76,904.66 = 21,702.44 : x
  2. Step 2: Convert to fraction form
    51,282.30/76,904.66 = 21,702.44/x
  3. Step 3: Cross multiply
    51,282.30x = 76,904.66 × 21,702.44
  4. Step 4: Simplify right side
    51,282.30x = 1,669,018,769.37
  5. Step 5: Solve for x
    x = 1,669,018,769.37/51,282.30
  6. Step 6: Final answer
    x = 32,545.71

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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.