Home / 38,579.72-57,803.44-25,905.72

Finding the Fourth Proportional to 38,579.72, 57,803.44 and 25,905.72

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Solution

The fourth proportional to 38,579.72, 57,803.44 and 25,905.72 is: 38,814.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,579.72 : 57,803.44 = 25,905.72 : x
  2. Step 2: Convert to fraction form
    38,579.72/57,803.44 = 25,905.72/x
  3. Step 3: Cross multiply
    38,579.72x = 57,803.44 × 25,905.72
  4. Step 4: Simplify right side
    38,579.72x = 1,497,439,731.68
  5. Step 5: Solve for x
    x = 1,497,439,731.68/38,579.72
  6. Step 6: Final answer
    x = 38,814.17

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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.