Home / 38,505.89-57,725.08-18,505.37

Finding the Fourth Proportional to 38,505.89, 57,725.08 and 18,505.37

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Solution

The fourth proportional to 38,505.89, 57,725.08 and 18,505.37 is: 27,741.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,505.89 : 57,725.08 = 18,505.37 : x
  2. Step 2: Convert to fraction form
    38,505.89/57,725.08 = 18,505.37/x
  3. Step 3: Cross multiply
    38,505.89x = 57,725.08 × 18,505.37
  4. Step 4: Simplify right side
    38,505.89x = 1,068,223,963.68
  5. Step 5: Solve for x
    x = 1,068,223,963.68/38,505.89
  6. Step 6: Final answer
    x = 27,741.83

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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.