Home / 66,295.62-99,433.55-21,922.61

Finding the Fourth Proportional to 66,295.62, 99,433.55 and 21,922.61

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Solution

The fourth proportional to 66,295.62, 99,433.55 and 21,922.61 is: 32,880.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,295.62 : 99,433.55 = 21,922.61 : x
  2. Step 2: Convert to fraction form
    66,295.62/99,433.55 = 21,922.61/x
  3. Step 3: Cross multiply
    66,295.62x = 99,433.55 × 21,922.61
  4. Step 4: Simplify right side
    66,295.62x = 2,179,842,495.20
  5. Step 5: Solve for x
    x = 2,179,842,495.20/66,295.62
  6. Step 6: Final answer
    x = 32,880.64

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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.