Home / 38,629.31-57,952.95-11,973.88

Finding the Fourth Proportional to 38,629.31, 57,952.95 and 11,973.88

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Solution

The fourth proportional to 38,629.31, 57,952.95 and 11,973.88 is: 17,963.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,629.31 : 57,952.95 = 11,973.88 : x
  2. Step 2: Convert to fraction form
    38,629.31/57,952.95 = 11,973.88/x
  3. Step 3: Cross multiply
    38,629.31x = 57,952.95 × 11,973.88
  4. Step 4: Simplify right side
    38,629.31x = 693,921,609.08
  5. Step 5: Solve for x
    x = 693,921,609.08/38,629.31
  6. Step 6: Final answer
    x = 17,963.61

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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.