Home / 38,949.68-53,750.52-21,044.68

Finding the Fourth Proportional to 38,949.68, 53,750.52 and 21,044.68

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Solution

The fourth proportional to 38,949.68, 53,750.52 and 21,044.68 is: 29,041.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,949.68 : 53,750.52 = 21,044.68 : x
  2. Step 2: Convert to fraction form
    38,949.68/53,750.52 = 21,044.68/x
  3. Step 3: Cross multiply
    38,949.68x = 53,750.52 × 21,044.68
  4. Step 4: Simplify right side
    38,949.68x = 1,131,162,493.23
  5. Step 5: Solve for x
    x = 1,131,162,493.23/38,949.68
  6. Step 6: Final answer
    x = 29,041.64

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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.