Home / 66,846.32-100,285.93-19,461.83

Finding the Fourth Proportional to 66,846.32, 100,285.93 and 19,461.83

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Solution

The fourth proportional to 66,846.32, 100,285.93 and 19,461.83 is: 29,197.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,846.32 : 100,285.93 = 19,461.83 : x
  2. Step 2: Convert to fraction form
    66,846.32/100,285.93 = 19,461.83/x
  3. Step 3: Cross multiply
    66,846.32x = 100,285.93 × 19,461.83
  4. Step 4: Simplify right side
    66,846.32x = 1,951,747,170.97
  5. Step 5: Solve for x
    x = 1,951,747,170.97/66,846.32
  6. Step 6: Final answer
    x = 29,197.52

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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.