Home / 66,431.10-99,650.70-22,061.73

Finding the Fourth Proportional to 66,431.10, 99,650.70 and 22,061.73

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Solution

The fourth proportional to 66,431.10, 99,650.70 and 22,061.73 is: 33,093.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,431.10 : 99,650.70 = 22,061.73 : x
  2. Step 2: Convert to fraction form
    66,431.10/99,650.70 = 22,061.73/x
  3. Step 3: Cross multiply
    66,431.10x = 99,650.70 × 22,061.73
  4. Step 4: Simplify right side
    66,431.10x = 2,198,466,837.71
  5. Step 5: Solve for x
    x = 2,198,466,837.71/66,431.10
  6. Step 6: Final answer
    x = 33,093.94

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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.