Home / 51,217.16-76,824.82-19,618.65

Finding the Fourth Proportional to 51,217.16, 76,824.82 and 19,618.65

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Solution

The fourth proportional to 51,217.16, 76,824.82 and 19,618.65 is: 29,427.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,217.16 : 76,824.82 = 19,618.65 : x
  2. Step 2: Convert to fraction form
    51,217.16/76,824.82 = 19,618.65/x
  3. Step 3: Cross multiply
    51,217.16x = 76,824.82 × 19,618.65
  4. Step 4: Simplify right side
    51,217.16x = 1,507,199,205.85
  5. Step 5: Solve for x
    x = 1,507,199,205.85/51,217.16
  6. Step 6: Final answer
    x = 29,427.62

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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.