Home / 65,519.73-98,279.05-18,772.65

Finding the Fourth Proportional to 65,519.73, 98,279.05 and 18,772.65

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Solution

The fourth proportional to 65,519.73, 98,279.05 and 18,772.65 is: 28,158.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,519.73 : 98,279.05 = 18,772.65 : x
  2. Step 2: Convert to fraction form
    65,519.73/98,279.05 = 18,772.65/x
  3. Step 3: Cross multiply
    65,519.73x = 98,279.05 × 18,772.65
  4. Step 4: Simplify right side
    65,519.73x = 1,844,958,207.98
  5. Step 5: Solve for x
    x = 1,844,958,207.98/65,519.73
  6. Step 6: Final answer
    x = 28,158.82

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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.