Home / 38,073.09-57,097.10-13,112.58

Finding the Fourth Proportional to 38,073.09, 57,097.10 and 13,112.58

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Solution

The fourth proportional to 38,073.09, 57,097.10 and 13,112.58 is: 19,664.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,073.09 : 57,097.10 = 13,112.58 : x
  2. Step 2: Convert to fraction form
    38,073.09/57,097.10 = 13,112.58/x
  3. Step 3: Cross multiply
    38,073.09x = 57,097.10 × 13,112.58
  4. Step 4: Simplify right side
    38,073.09x = 748,690,538.41
  5. Step 5: Solve for x
    x = 748,690,538.41/38,073.09
  6. Step 6: Final answer
    x = 19,664.56

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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.