Home / 66,298.06-99,446.97-19,583.74

Finding the Fourth Proportional to 66,298.06, 99,446.97 and 19,583.74

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Solution

The fourth proportional to 66,298.06, 99,446.97 and 19,583.74 is: 29,375.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,298.06 : 99,446.97 = 19,583.74 : x
  2. Step 2: Convert to fraction form
    66,298.06/99,446.97 = 19,583.74/x
  3. Step 3: Cross multiply
    66,298.06x = 99,446.97 × 19,583.74
  4. Step 4: Simplify right side
    66,298.06x = 1,947,543,604.27
  5. Step 5: Solve for x
    x = 1,947,543,604.27/66,298.06
  6. Step 6: Final answer
    x = 29,375.57

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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.