Home / 35,424.68-48,867.30-21,074.31

Finding the Fourth Proportional to 35,424.68, 48,867.30 and 21,074.31

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Solution

The fourth proportional to 35,424.68, 48,867.30 and 21,074.31 is: 29,071.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,424.68 : 48,867.30 = 21,074.31 : x
  2. Step 2: Convert to fraction form
    35,424.68/48,867.30 = 21,074.31/x
  3. Step 3: Cross multiply
    35,424.68x = 48,867.30 × 21,074.31
  4. Step 4: Simplify right side
    35,424.68x = 1,029,844,629.06
  5. Step 5: Solve for x
    x = 1,029,844,629.06/35,424.68
  6. Step 6: Final answer
    x = 29,071.39

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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.