Home / 32,907.62-45,396.44-21,572.12

Finding the Fourth Proportional to 32,907.62, 45,396.44 and 21,572.12

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Solution

The fourth proportional to 32,907.62, 45,396.44 and 21,572.12 is: 29,758.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,907.62 : 45,396.44 = 21,572.12 : x
  2. Step 2: Convert to fraction form
    32,907.62/45,396.44 = 21,572.12/x
  3. Step 3: Cross multiply
    32,907.62x = 45,396.44 × 21,572.12
  4. Step 4: Simplify right side
    32,907.62x = 979,297,116.41
  5. Step 5: Solve for x
    x = 979,297,116.41/32,907.62
  6. Step 6: Final answer
    x = 29,758.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.