Home / 29,085.32-43,650.04-21,314.44

Finding the Fourth Proportional to 29,085.32, 43,650.04 and 21,314.44

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Solution

The fourth proportional to 29,085.32, 43,650.04 and 21,314.44 is: 31,987.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,085.32 : 43,650.04 = 21,314.44 : x
  2. Step 2: Convert to fraction form
    29,085.32/43,650.04 = 21,314.44/x
  3. Step 3: Cross multiply
    29,085.32x = 43,650.04 × 21,314.44
  4. Step 4: Simplify right side
    29,085.32x = 930,376,158.58
  5. Step 5: Solve for x
    x = 930,376,158.58/29,085.32
  6. Step 6: Final answer
    x = 31,987.83

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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.