Home / 66,551.04-99,819.72-22,173

Finding the Fourth Proportional to 66,551.04, 99,819.72 and 22,173

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Solution

The fourth proportional to 66,551.04, 99,819.72 and 22,173 is: 33,257.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,551.04 : 99,819.72 = 22,173 : x
  2. Step 2: Convert to fraction form
    66,551.04/99,819.72 = 22,173/x
  3. Step 3: Cross multiply
    66,551.04x = 99,819.72 × 22,173
  4. Step 4: Simplify right side
    66,551.04x = 2,213,302,651.56
  5. Step 5: Solve for x
    x = 2,213,302,651.56/66,551.04
  6. Step 6: Final answer
    x = 33,257.22

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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.