Home / 35,275.39-48,687.56-21,136.44

Finding the Fourth Proportional to 35,275.39, 48,687.56 and 21,136.44

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Solution

The fourth proportional to 35,275.39, 48,687.56 and 21,136.44 is: 29,172.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,275.39 : 48,687.56 = 21,136.44 : x
  2. Step 2: Convert to fraction form
    35,275.39/48,687.56 = 21,136.44/x
  3. Step 3: Cross multiply
    35,275.39x = 48,687.56 × 21,136.44
  4. Step 4: Simplify right side
    35,275.39x = 1,029,081,690.69
  5. Step 5: Solve for x
    x = 1,029,081,690.69/35,275.39
  6. Step 6: Final answer
    x = 29,172.79

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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.