Home / 38,573.24-53,226.52-21,578.36

Finding the Fourth Proportional to 38,573.24, 53,226.52 and 21,578.36

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Solution

The fourth proportional to 38,573.24, 53,226.52 and 21,578.36 is: 29,775.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,573.24 : 53,226.52 = 21,578.36 : x
  2. Step 2: Convert to fraction form
    38,573.24/53,226.52 = 21,578.36/x
  3. Step 3: Cross multiply
    38,573.24x = 53,226.52 × 21,578.36
  4. Step 4: Simplify right side
    38,573.24x = 1,148,540,690.03
  5. Step 5: Solve for x
    x = 1,148,540,690.03/38,573.24
  6. Step 6: Final answer
    x = 29,775.59

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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.